From e5a1be8597c21c7b547a02231e5cf072dd3a0179 Mon Sep 17 00:00:00 2001 From: marmeladema Date: Sat, 2 May 2020 18:42:36 +0100 Subject: [PATCH 01/11] Use `LocalDefId` in `DumpVisitor::nest_tables` This is a partial fix for #71104 --- src/librustc_save_analysis/dump_visitor.rs | 70 +++++++++++++--------- src/librustc_typeck/check/mod.rs | 7 --- 2 files changed, 41 insertions(+), 36 deletions(-) diff --git a/src/librustc_save_analysis/dump_visitor.rs b/src/librustc_save_analysis/dump_visitor.rs index ccce72fb0ac24..e2eb39c3e1cbd 100644 --- a/src/librustc_save_analysis/dump_visitor.rs +++ b/src/librustc_save_analysis/dump_visitor.rs @@ -21,7 +21,7 @@ use rustc_ast::walk_list; use rustc_ast_pretty::pprust::{bounds_to_string, generic_params_to_string, ty_to_string}; use rustc_data_structures::fx::FxHashSet; use rustc_hir::def::{DefKind as HirDefKind, Res}; -use rustc_hir::def_id::DefId; +use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_middle::span_bug; use rustc_middle::ty::{self, DefIdTree, TyCtxt}; use rustc_session::config::Input; @@ -103,12 +103,10 @@ impl<'l, 'tcx> DumpVisitor<'l, 'tcx> { self.dumper.analysis() } - fn nest_tables(&mut self, item_id: NodeId, f: F) + fn nest_tables(&mut self, item_def_id: LocalDefId, f: F) where F: FnOnce(&mut Self), { - let item_def_id = self.tcx.hir().local_def_id_from_node_id(item_id); - let tables = if self.tcx.has_typeck_tables(item_def_id) { self.tcx.typeck_tables_of(item_def_id) } else { @@ -271,8 +269,9 @@ impl<'l, 'tcx> DumpVisitor<'l, 'tcx> { ) { debug!("process_method: {}:{}", id, ident); - let hir_id = self.tcx.hir().node_id_to_hir_id(id); - self.nest_tables(id, |v| { + let map = &self.tcx.hir(); + let hir_id = map.node_id_to_hir_id(id); + self.nest_tables(map.local_def_id(hir_id), |v| { if let Some(mut method_data) = v.save_ctxt.get_method_data(id, ident, span) { v.process_formals(&sig.decl.inputs, &method_data.qualname); v.process_generic_params(&generics, &method_data.qualname, id); @@ -295,7 +294,8 @@ impl<'l, 'tcx> DumpVisitor<'l, 'tcx> { // start walking from the newly-created definition. match sig.header.asyncness { ast::Async::Yes { return_impl_trait_id, .. } => { - v.nest_tables(return_impl_trait_id, |v| v.visit_ty(ret_ty)) + let hir_id = map.node_id_to_hir_id(return_impl_trait_id); + v.nest_tables(map.local_def_id(hir_id), |v| v.visit_ty(ret_ty)) } _ => v.visit_ty(ret_ty), } @@ -363,8 +363,9 @@ impl<'l, 'tcx> DumpVisitor<'l, 'tcx> { ty_params: &'l ast::Generics, body: Option<&'l ast::Block>, ) { - let hir_id = self.tcx.hir().node_id_to_hir_id(item.id); - self.nest_tables(item.id, |v| { + let map = &self.tcx.hir(); + let hir_id = map.node_id_to_hir_id(item.id); + self.nest_tables(map.local_def_id(hir_id), |v| { if let Some(fn_data) = v.save_ctxt.get_item_data(item) { down_cast_data!(fn_data, DefData, item.span); v.process_formals(&decl.inputs, &fn_data.qualname); @@ -388,7 +389,8 @@ impl<'l, 'tcx> DumpVisitor<'l, 'tcx> { // start walking from the newly-created definition. match header.asyncness { ast::Async::Yes { return_impl_trait_id, .. } => { - v.nest_tables(return_impl_trait_id, |v| v.visit_ty(ret_ty)) + let hir_id = map.node_id_to_hir_id(return_impl_trait_id); + v.nest_tables(map.local_def_id(hir_id), |v| v.visit_ty(ret_ty)) } _ => v.visit_ty(ret_ty), } @@ -406,7 +408,7 @@ impl<'l, 'tcx> DumpVisitor<'l, 'tcx> { expr: Option<&'l ast::Expr>, ) { let hir_id = self.tcx.hir().node_id_to_hir_id(item.id); - self.nest_tables(item.id, |v| { + self.nest_tables(self.tcx.hir().local_def_id(hir_id), |v| { if let Some(var_data) = v.save_ctxt.get_item_data(item) { down_cast_data!(var_data, DefData, item.span); v.dumper.dump_def(&access_from!(v.save_ctxt, item, hir_id), var_data); @@ -426,15 +428,13 @@ impl<'l, 'tcx> DumpVisitor<'l, 'tcx> { vis: ast::Visibility, attrs: &'l [Attribute], ) { - let qualname = format!( - "::{}", - self.tcx.def_path_str(self.tcx.hir().local_def_id_from_node_id(id).to_def_id()) - ); + let hir_id = self.tcx.hir().node_id_to_hir_id(id); + let qualname = + format!("::{}", self.tcx.def_path_str(self.tcx.hir().local_def_id(hir_id).to_def_id())); if !self.span.filter_generated(ident.span) { let sig = sig::assoc_const_signature(id, ident.name, typ, expr, &self.save_ctxt); let span = self.span_from_span(ident.span); - let hir_id = self.tcx.hir().node_id_to_hir_id(id); self.dumper.dump_def( &access_from_vis!(self.save_ctxt, vis, hir_id), @@ -456,7 +456,7 @@ impl<'l, 'tcx> DumpVisitor<'l, 'tcx> { } // walk type and init value - self.nest_tables(id, |v| { + self.nest_tables(self.tcx.hir().local_def_id(hir_id), |v| { v.visit_ty(typ); if let Some(expr) = expr { v.visit_expr(expr); @@ -473,10 +473,9 @@ impl<'l, 'tcx> DumpVisitor<'l, 'tcx> { ) { debug!("process_struct {:?} {:?}", item, item.span); let name = item.ident.to_string(); - let qualname = format!( - "::{}", - self.tcx.def_path_str(self.tcx.hir().local_def_id_from_node_id(item.id).to_def_id()) - ); + let hir_id = self.tcx.hir().node_id_to_hir_id(item.id); + let qualname = + format!("::{}", self.tcx.def_path_str(self.tcx.hir().local_def_id(hir_id).to_def_id())); let kind = match item.kind { ast::ItemKind::Struct(_, _) => DefKind::Struct, @@ -508,7 +507,6 @@ impl<'l, 'tcx> DumpVisitor<'l, 'tcx> { if !self.span.filter_generated(item.ident.span) { let span = self.span_from_span(item.ident.span); - let hir_id = self.tcx.hir().node_id_to_hir_id(item.id); self.dumper.dump_def( &access_from!(self.save_ctxt, item, hir_id), Def { @@ -528,7 +526,7 @@ impl<'l, 'tcx> DumpVisitor<'l, 'tcx> { ); } - self.nest_tables(item.id, |v| { + self.nest_tables(self.tcx.hir().local_def_id(hir_id), |v| { for field in def.fields() { v.process_struct_field_def(field, item.id); v.visit_ty(&field.ty); @@ -668,14 +666,15 @@ impl<'l, 'tcx> DumpVisitor<'l, 'tcx> { } let map = &self.tcx.hir(); - self.nest_tables(item.id, |v| { + let hir_id = map.node_id_to_hir_id(item.id); + self.nest_tables(map.local_def_id(hir_id), |v| { v.visit_ty(&typ); if let &Some(ref trait_ref) = trait_ref { v.process_path(trait_ref.ref_id, &trait_ref.path); } v.process_generic_params(generics, "", item.id); for impl_item in impl_items { - v.process_impl_item(impl_item, map.local_def_id_from_node_id(item.id).to_def_id()); + v.process_impl_item(impl_item, map.local_def_id(hir_id).to_def_id()); } }); } @@ -1410,7 +1409,10 @@ impl<'l, 'tcx> Visitor<'l> for DumpVisitor<'l, 'tcx> { } ast::TyKind::Array(ref element, ref length) => { self.visit_ty(element); - self.nest_tables(length.id, |v| v.visit_expr(&length.value)); + let hir_id = self.tcx.hir().node_id_to_hir_id(length.id); + self.nest_tables(self.tcx.hir().local_def_id(hir_id), |v| { + v.visit_expr(&length.value) + }); } ast::TyKind::ImplTrait(id, ref bounds) => { // FIXME: As of writing, the opaque type lowering introduces @@ -1422,7 +1424,13 @@ impl<'l, 'tcx> Visitor<'l> for DumpVisitor<'l, 'tcx> { // bounds... // This will panic if called on return type `impl Trait`, which // we guard against in `process_fn`. - self.nest_tables(id, |v| v.process_bounds(bounds)); + // FIXME(#71104) Should really be using just `node_id_to_hir_id` but + // some `NodeId` do not seem to have a corresponding HirId. + if let Some(hir_id) = self.tcx.hir().opt_node_id_to_hir_id(id) { + self.nest_tables(self.tcx.hir().local_def_id(hir_id), |v| { + v.process_bounds(bounds) + }); + } } _ => visit::walk_ty(self, t), } @@ -1470,7 +1478,8 @@ impl<'l, 'tcx> Visitor<'l> for DumpVisitor<'l, 'tcx> { } // walk the body - self.nest_tables(ex.id, |v| { + let hir_id = self.tcx.hir().node_id_to_hir_id(ex.id); + self.nest_tables(self.tcx.hir().local_def_id(hir_id), |v| { v.process_formals(&decl.inputs, &id); v.visit_expr(body) }); @@ -1487,7 +1496,10 @@ impl<'l, 'tcx> Visitor<'l> for DumpVisitor<'l, 'tcx> { } ast::ExprKind::Repeat(ref element, ref count) => { self.visit_expr(element); - self.nest_tables(count.id, |v| v.visit_expr(&count.value)); + let hir_id = self.tcx.hir().node_id_to_hir_id(count.id); + self.nest_tables(self.tcx.hir().local_def_id(hir_id), |v| { + v.visit_expr(&count.value) + }); } // In particular, we take this branch for call and path expressions, // where we'll index the idents involved just by continuing to walk. diff --git a/src/librustc_typeck/check/mod.rs b/src/librustc_typeck/check/mod.rs index adbab3d4cb620..d95eb5f28fe1b 100644 --- a/src/librustc_typeck/check/mod.rs +++ b/src/librustc_typeck/check/mod.rs @@ -831,13 +831,6 @@ fn primary_body_of( } fn has_typeck_tables(tcx: TyCtxt<'_>, def_id: DefId) -> bool { - // FIXME(#71104) some `LocalDefId` do not seem to have a corresponding `HirId`. - if let Some(def_id) = def_id.as_local() { - if tcx.hir().opt_local_def_id_to_hir_id(def_id).is_none() { - return false; - } - } - // Closures' tables come from their outermost function, // as they are part of the same "inference environment". let outer_def_id = tcx.closure_base_def_id(def_id); From c9f1162a6ffc81adcb114a616899edad0f7d0750 Mon Sep 17 00:00:00 2001 From: Laurence Tratt Date: Mon, 4 May 2020 10:17:39 +0100 Subject: [PATCH 02/11] Rephrase the any::type_name docs a bit. This attempts to be a little clearer (including in terminology) about the lack of guarantees that any::type_name provides. --- src/libcore/any.rs | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/src/libcore/any.rs b/src/libcore/any.rs index 39df803bbea30..67698e5409f6a 100644 --- a/src/libcore/any.rs +++ b/src/libcore/any.rs @@ -446,14 +446,14 @@ impl TypeId { /// # Note /// /// This is intended for diagnostic use. The exact contents and format of the -/// string are not specified, other than being a best-effort description of the -/// type. For example, `type_name::>()` could return the -/// `"Option"` or `"std::option::Option"`, but not -/// `"foobar"`. In addition, the output may change between versions of the -/// compiler. +/// string retrned are not specified, other than being a best-effort description +/// of the type. For example, amongst the strings +/// that `type_name::>()` might map to are `"Option"` and +/// `"std::option::Option"`. /// -/// The type name should not be considered a unique identifier of a type; -/// multiple types may share the same type name. +/// The returned string must not be considered to be a unique identifier of a +/// type as multiple types may map to the same type name. In addition, the +/// output may change between versions of the compiler. /// /// The current implementation uses the same infrastructure as compiler /// diagnostics and debuginfo, but this is not guaranteed. From 93f877ce870e9fd13ad7c6a05ccb4abd46a3d106 Mon Sep 17 00:00:00 2001 From: Laurence Tratt Date: Mon, 4 May 2020 11:01:31 +0100 Subject: [PATCH 03/11] Document that lifetimes do not currently appear in any::type_name()'s output. --- src/libcore/any.rs | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/libcore/any.rs b/src/libcore/any.rs index 67698e5409f6a..2628f89033238 100644 --- a/src/libcore/any.rs +++ b/src/libcore/any.rs @@ -452,7 +452,9 @@ impl TypeId { /// `"std::option::Option"`. /// /// The returned string must not be considered to be a unique identifier of a -/// type as multiple types may map to the same type name. In addition, the +/// type as multiple types may map to the same type name. Similarly, there is no +/// guarantee that all parts of a type will appear in the returned string: for +/// example, lifetime specifiers are currently not included. In addition, the /// output may change between versions of the compiler. /// /// The current implementation uses the same infrastructure as compiler From 876001c8ac331a15661638fbb18b8b64facf2c96 Mon Sep 17 00:00:00 2001 From: Laurence Tratt Date: Mon, 4 May 2020 14:28:58 +0100 Subject: [PATCH 04/11] Fix typo. --- src/libcore/any.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/libcore/any.rs b/src/libcore/any.rs index 2628f89033238..996a9cdfc4d9d 100644 --- a/src/libcore/any.rs +++ b/src/libcore/any.rs @@ -446,8 +446,8 @@ impl TypeId { /// # Note /// /// This is intended for diagnostic use. The exact contents and format of the -/// string retrned are not specified, other than being a best-effort description -/// of the type. For example, amongst the strings +/// string returned are not specified, other than being a best-effort +/// description of the type. For example, amongst the strings /// that `type_name::>()` might map to are `"Option"` and /// `"std::option::Option"`. /// From 3471bc8306e206ed7d5cc86b1eeadc9a8bb8bc76 Mon Sep 17 00:00:00 2001 From: mibac138 <5672750+mibac138@users.noreply.github.com> Date: Tue, 5 May 2020 01:55:03 +0200 Subject: [PATCH 05/11] Fix unused_parens false positive when using binary operations --- src/librustc_lint/unused.rs | 16 ++++++++++++---- .../ui/lint/issue-71290-unused-paren-binop.rs | 17 +++++++++++++++++ 2 files changed, 29 insertions(+), 4 deletions(-) create mode 100644 src/test/ui/lint/issue-71290-unused-paren-binop.rs diff --git a/src/librustc_lint/unused.rs b/src/librustc_lint/unused.rs index ddd252cb290e4..4f7a1f9c31091 100644 --- a/src/librustc_lint/unused.rs +++ b/src/librustc_lint/unused.rs @@ -380,11 +380,19 @@ trait UnusedDelimLint { ); fn is_expr_delims_necessary(inner: &ast::Expr, followed_by_block: bool) -> bool { - followed_by_block - && match inner.kind { - ExprKind::Ret(_) | ExprKind::Break(..) => true, - _ => parser::contains_exterior_struct_lit(&inner), + // Prevent false-positives in cases like `fn x() -> u8 { ({ 0 } + 1) }` + let lhs_needs_parens = match &inner.kind { + ExprKind::Binary(_, lhs, _rhs) => { + !rustc_ast::util::classify::expr_requires_semi_to_be_stmt(&*lhs) } + _ => false, + }; + lhs_needs_parens + || (followed_by_block + && match inner.kind { + ExprKind::Ret(_) | ExprKind::Break(..) => true, + _ => parser::contains_exterior_struct_lit(&inner), + }) } fn emit_unused_delims_expr( diff --git a/src/test/ui/lint/issue-71290-unused-paren-binop.rs b/src/test/ui/lint/issue-71290-unused-paren-binop.rs new file mode 100644 index 0000000000000..619be02566f56 --- /dev/null +++ b/src/test/ui/lint/issue-71290-unused-paren-binop.rs @@ -0,0 +1,17 @@ +// check-pass +// Make sure unused parens lint doesn't emit a false positive. +// See https://github.com/rust-lang/rust/issues/71290 for details. + +fn x() -> u8 { + ({ 0 }) + 1 +} + +fn y() -> u8 { + ({ 0 } + 1) +} + +pub fn foo(a: bool, b: bool) -> u8 { + (if a { 1 } else { 0 } + if b { 1 } else { 0 }) +} + +fn main() {} From 717a7a8486a448d7c746db213d1d987593088692 Mon Sep 17 00:00:00 2001 From: Michael <5672750+mibac138@users.noreply.github.com> Date: Tue, 5 May 2020 16:58:13 +0200 Subject: [PATCH 06/11] Update src/test/ui/lint/issue-71290-unused-paren-binop.rs Co-authored-by: Bastian Kauschke --- src/test/ui/lint/issue-71290-unused-paren-binop.rs | 1 + 1 file changed, 1 insertion(+) diff --git a/src/test/ui/lint/issue-71290-unused-paren-binop.rs b/src/test/ui/lint/issue-71290-unused-paren-binop.rs index 619be02566f56..f11d2d377378c 100644 --- a/src/test/ui/lint/issue-71290-unused-paren-binop.rs +++ b/src/test/ui/lint/issue-71290-unused-paren-binop.rs @@ -1,6 +1,7 @@ // check-pass // Make sure unused parens lint doesn't emit a false positive. // See https://github.com/rust-lang/rust/issues/71290 for details. +#![deny(unused_parens)] fn x() -> u8 { ({ 0 }) + 1 From 4b7a92838c98929a9f4c7a64583b5ea49ebb3a35 Mon Sep 17 00:00:00 2001 From: mibac138 <5672750+mibac138@users.noreply.github.com> Date: Wed, 6 May 2020 01:50:55 +0200 Subject: [PATCH 07/11] Fix unused_parens nested binary op false positive --- src/librustc_lint/unused.rs | 16 ++++++++++++---- .../ui/lint/issue-71290-unused-paren-binop.rs | 5 +++++ 2 files changed, 17 insertions(+), 4 deletions(-) diff --git a/src/librustc_lint/unused.rs b/src/librustc_lint/unused.rs index 4f7a1f9c31091..c24079a6e4be2 100644 --- a/src/librustc_lint/unused.rs +++ b/src/librustc_lint/unused.rs @@ -381,12 +381,20 @@ trait UnusedDelimLint { fn is_expr_delims_necessary(inner: &ast::Expr, followed_by_block: bool) -> bool { // Prevent false-positives in cases like `fn x() -> u8 { ({ 0 } + 1) }` - let lhs_needs_parens = match &inner.kind { - ExprKind::Binary(_, lhs, _rhs) => { - !rustc_ast::util::classify::expr_requires_semi_to_be_stmt(&*lhs) + let lhs_needs_parens = { + let mut innermost = inner; + loop { + if let ExprKind::Binary(_, lhs, _rhs) = &innermost.kind { + innermost = lhs; + if !rustc_ast::util::classify::expr_requires_semi_to_be_stmt(innermost) { + break true; + } + } else { + break false; + } } - _ => false, }; + lhs_needs_parens || (followed_by_block && match inner.kind { diff --git a/src/test/ui/lint/issue-71290-unused-paren-binop.rs b/src/test/ui/lint/issue-71290-unused-paren-binop.rs index f11d2d377378c..24d77e36d94f5 100644 --- a/src/test/ui/lint/issue-71290-unused-paren-binop.rs +++ b/src/test/ui/lint/issue-71290-unused-paren-binop.rs @@ -15,4 +15,9 @@ pub fn foo(a: bool, b: bool) -> u8 { (if a { 1 } else { 0 } + if b { 1 } else { 0 }) } +pub fn bar() -> u8 { + // Make sure nested expressions are handled correctly as well + ({ 0 } + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9) +} + fn main() {} From c85768ed71eb09689e2065b122310dad2e1c42f6 Mon Sep 17 00:00:00 2001 From: Petr Hosek Date: Mon, 11 May 2020 10:37:35 -0700 Subject: [PATCH 08/11] Update the Fuchsia linker defaults This updates the linker defaults aligning them with Clang. Specifically, we use 4K pages on all platforms, we always use BIND_NOW, we prefer all loadable segments be separate and page aligned, and we support RELR relocations. --- src/librustc_target/spec/fuchsia_base.rs | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/librustc_target/spec/fuchsia_base.rs b/src/librustc_target/spec/fuchsia_base.rs index 4060b126cddb7..48d33953da5fa 100644 --- a/src/librustc_target/spec/fuchsia_base.rs +++ b/src/librustc_target/spec/fuchsia_base.rs @@ -9,7 +9,14 @@ pub fn opts() -> TargetOptions { "--eh-frame-hdr".to_string(), "--hash-style=gnu".to_string(), "-z".to_string(), + "max-page-size=4096".to_string(), + "-z".to_string(), + "now".to_string(), + "-z".to_string(), "rodynamic".to_string(), + "-z".to_string(), + "separate-loadable-segments".to_string(), + "--pack-dyn-relocs=relr".to_string(), ], ); From 3fccdb3ded1aea60b699cc3d11dcd886f70fbb0e Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Fri, 1 May 2020 12:10:06 +0200 Subject: [PATCH 09/11] Pointer printing: do not print 0 offset --- src/librustc_middle/mir/interpret/pointer.rs | 28 ++++++++++++------- ...main.SimplifyCfg-elaborate-drops.after.mir | 4 +-- .../rustc.BAR-promoted[0].ConstProp.after.mir | 6 ++-- .../rustc.BAR.PromoteTemps.diff | 6 ++-- .../rustc.FOO-promoted[0].ConstProp.after.mir | 6 ++-- .../rustc.FOO.PromoteTemps.diff | 6 ++-- .../32bit/rustc.main.ConstProp.after.mir | 20 ++++++------- .../64bit/rustc.main.ConstProp.after.mir | 24 ++++++++-------- .../32bit/rustc.main.ConstProp.after.mir | 18 ++++++------ .../64bit/rustc.main.ConstProp.after.mir | 18 ++++++------ .../32bit/rustc.main.ConstProp.after.mir | 12 ++++---- .../64bit/rustc.main.ConstProp.after.mir | 12 ++++---- .../rustc.main.ConstProp.diff | 6 ++-- .../rustc.main.ConstProp.diff | 12 ++++---- ...nst-pointer-values-in-various-types.stderr | 14 +++++----- .../consts/const-eval/ref_to_int_match.stderr | 2 +- src/test/ui/consts/const-eval/ub-enum.stderr | 10 +++---- src/test/ui/consts/const-eval/ub-ref.stderr | 2 +- 18 files changed, 107 insertions(+), 99 deletions(-) diff --git a/src/librustc_middle/mir/interpret/pointer.rs b/src/librustc_middle/mir/interpret/pointer.rs index 0b06005649979..70cc546199b79 100644 --- a/src/librustc_middle/mir/interpret/pointer.rs +++ b/src/librustc_middle/mir/interpret/pointer.rs @@ -89,27 +89,35 @@ pub struct Pointer { static_assert_size!(Pointer, 16); +/// Print the address of a pointer (without the tag) +fn print_ptr_addr(ptr: &Pointer, f: &mut fmt::Formatter<'_>) -> fmt::Result { + // Forward `alternate` flag to `alloc_id` printing. + if f.alternate() { + write!(f, "{:#?}", ptr.alloc_id)?; + } else { + write!(f, "{:?}", ptr.alloc_id)?; + } + // Print offset only if it is non-zero. + if ptr.offset.bytes() > 0 { + write!(f, "+0x{:x}", ptr.offset.bytes())?; + } + Ok(()) +} + // We want the `Debug` output to be readable as it is used by `derive(Debug)` for // all the Miri types. // We have to use `Debug` output for the tag, because `()` does not implement // `Display` so we cannot specialize that. impl fmt::Debug for Pointer { default fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - if f.alternate() { - write!(f, "{:#?}+0x{:x}[{:?}]", self.alloc_id, self.offset.bytes(), self.tag) - } else { - write!(f, "{:?}+0x{:x}[{:?}]", self.alloc_id, self.offset.bytes(), self.tag) - } + print_ptr_addr(self, f)?; + write!(f, "[{:?}]", self.tag) } } // Specialization for no tag impl fmt::Debug for Pointer<()> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - if f.alternate() { - write!(f, "{:#?}+0x{:x}", self.alloc_id, self.offset.bytes()) - } else { - write!(f, "{:?}+0x{:x}", self.alloc_id, self.offset.bytes()) - } + print_ptr_addr(self, f) } } diff --git a/src/test/mir-opt/byte_slice/rustc.main.SimplifyCfg-elaborate-drops.after.mir b/src/test/mir-opt/byte_slice/rustc.main.SimplifyCfg-elaborate-drops.after.mir index b8ecaf787fe72..88cb09ac15a9c 100644 --- a/src/test/mir-opt/byte_slice/rustc.main.SimplifyCfg-elaborate-drops.after.mir +++ b/src/test/mir-opt/byte_slice/rustc.main.SimplifyCfg-elaborate-drops.after.mir @@ -16,10 +16,10 @@ fn main() -> () { _1 = const b"foo"; // scope 0 at $DIR/byte_slice.rs:5:13: 5:19 // ty::Const // + ty: &[u8; 3] - // + val: Value(Scalar(alloc0+0x0)) + // + val: Value(Scalar(alloc0)) // mir::Constant // + span: $DIR/byte_slice.rs:5:13: 5:19 - // + literal: Const { ty: &[u8; 3], val: Value(Scalar(alloc0+0x0)) } + // + literal: Const { ty: &[u8; 3], val: Value(Scalar(alloc0)) } StorageLive(_2); // scope 1 at $DIR/byte_slice.rs:6:9: 6:10 _2 = [const 5u8, const 120u8]; // scope 1 at $DIR/byte_slice.rs:6:13: 6:24 // ty::Const diff --git a/src/test/mir-opt/const-promotion-extern-static/rustc.BAR-promoted[0].ConstProp.after.mir b/src/test/mir-opt/const-promotion-extern-static/rustc.BAR-promoted[0].ConstProp.after.mir index d202531c7ab63..509947071b0c1 100644 --- a/src/test/mir-opt/const-promotion-extern-static/rustc.BAR-promoted[0].ConstProp.after.mir +++ b/src/test/mir-opt/const-promotion-extern-static/rustc.BAR-promoted[0].ConstProp.after.mir @@ -7,13 +7,13 @@ promoted[0] in BAR: &[&i32; 1] = { let mut _3: &i32; // in scope 0 at $DIR/const-promotion-extern-static.rs:9:33: 9:34 bb0: { - _3 = const {alloc0+0x0: &i32}; // scope 0 at $DIR/const-promotion-extern-static.rs:9:33: 9:34 + _3 = const {alloc0: &i32}; // scope 0 at $DIR/const-promotion-extern-static.rs:9:33: 9:34 // ty::Const // + ty: &i32 - // + val: Value(Scalar(alloc0+0x0)) + // + val: Value(Scalar(alloc0)) // mir::Constant // + span: $DIR/const-promotion-extern-static.rs:9:33: 9:34 - // + literal: Const { ty: &i32, val: Value(Scalar(alloc0+0x0)) } + // + literal: Const { ty: &i32, val: Value(Scalar(alloc0)) } _2 = _3; // scope 0 at $DIR/const-promotion-extern-static.rs:9:32: 9:34 _1 = [move _2]; // scope 0 at $DIR/const-promotion-extern-static.rs:9:31: 9:35 _0 = &_1; // scope 0 at $DIR/const-promotion-extern-static.rs:9:31: 9:35 diff --git a/src/test/mir-opt/const-promotion-extern-static/rustc.BAR.PromoteTemps.diff b/src/test/mir-opt/const-promotion-extern-static/rustc.BAR.PromoteTemps.diff index d517207390d80..8eb8d4c667b1c 100644 --- a/src/test/mir-opt/const-promotion-extern-static/rustc.BAR.PromoteTemps.diff +++ b/src/test/mir-opt/const-promotion-extern-static/rustc.BAR.PromoteTemps.diff @@ -16,16 +16,16 @@ - StorageLive(_3); // scope 0 at $DIR/const-promotion-extern-static.rs:9:31: 9:35 - StorageLive(_4); // scope 0 at $DIR/const-promotion-extern-static.rs:9:32: 9:34 - StorageLive(_5); // scope 0 at $DIR/const-promotion-extern-static.rs:9:33: 9:34 -- _5 = const {alloc0+0x0: &i32}; // scope 0 at $DIR/const-promotion-extern-static.rs:9:33: 9:34 +- _5 = const {alloc0: &i32}; // scope 0 at $DIR/const-promotion-extern-static.rs:9:33: 9:34 + _6 = const BAR::promoted[0]; // scope 0 at $DIR/const-promotion-extern-static.rs:9:31: 9:35 // ty::Const - // + ty: &i32 -- // + val: Value(Scalar(alloc0+0x0)) +- // + val: Value(Scalar(alloc0)) + // + ty: &[&i32; 1] + // + val: Unevaluated(DefId(0:6 ~ const_promotion_extern_static[317d]::BAR[0]), [], Some(promoted[0])) // mir::Constant - // + span: $DIR/const-promotion-extern-static.rs:9:33: 9:34 -- // + literal: Const { ty: &i32, val: Value(Scalar(alloc0+0x0)) } +- // + literal: Const { ty: &i32, val: Value(Scalar(alloc0)) } - _4 = &(*_5); // scope 0 at $DIR/const-promotion-extern-static.rs:9:32: 9:34 - _3 = [move _4]; // scope 0 at $DIR/const-promotion-extern-static.rs:9:31: 9:35 - _2 = &_3; // scope 0 at $DIR/const-promotion-extern-static.rs:9:31: 9:35 diff --git a/src/test/mir-opt/const-promotion-extern-static/rustc.FOO-promoted[0].ConstProp.after.mir b/src/test/mir-opt/const-promotion-extern-static/rustc.FOO-promoted[0].ConstProp.after.mir index b49c1aaa86669..d9c6b4f0029a3 100644 --- a/src/test/mir-opt/const-promotion-extern-static/rustc.FOO-promoted[0].ConstProp.after.mir +++ b/src/test/mir-opt/const-promotion-extern-static/rustc.FOO-promoted[0].ConstProp.after.mir @@ -9,13 +9,13 @@ promoted[0] in FOO: &[&i32; 1] = { } bb0: { - _3 = const {alloc2+0x0: &i32}; // scope 0 at $DIR/const-promotion-extern-static.rs:13:42: 13:43 + _3 = const {alloc2: &i32}; // scope 0 at $DIR/const-promotion-extern-static.rs:13:42: 13:43 // ty::Const // + ty: &i32 - // + val: Value(Scalar(alloc2+0x0)) + // + val: Value(Scalar(alloc2)) // mir::Constant // + span: $DIR/const-promotion-extern-static.rs:13:42: 13:43 - // + literal: Const { ty: &i32, val: Value(Scalar(alloc2+0x0)) } + // + literal: Const { ty: &i32, val: Value(Scalar(alloc2)) } _2 = _3; // scope 0 at $DIR/const-promotion-extern-static.rs:13:41: 13:43 _1 = [move _2]; // scope 0 at $DIR/const-promotion-extern-static.rs:13:31: 13:46 _0 = &_1; // scope 0 at $DIR/const-promotion-extern-static.rs:13:31: 13:46 diff --git a/src/test/mir-opt/const-promotion-extern-static/rustc.FOO.PromoteTemps.diff b/src/test/mir-opt/const-promotion-extern-static/rustc.FOO.PromoteTemps.diff index 09c08cf449ff2..781aa3c5500c0 100644 --- a/src/test/mir-opt/const-promotion-extern-static/rustc.FOO.PromoteTemps.diff +++ b/src/test/mir-opt/const-promotion-extern-static/rustc.FOO.PromoteTemps.diff @@ -18,16 +18,16 @@ - StorageLive(_3); // scope 0 at $DIR/const-promotion-extern-static.rs:13:31: 13:46 - StorageLive(_4); // scope 0 at $DIR/const-promotion-extern-static.rs:13:32: 13:45 - StorageLive(_5); // scope 1 at $DIR/const-promotion-extern-static.rs:13:42: 13:43 -- _5 = const {alloc2+0x0: &i32}; // scope 1 at $DIR/const-promotion-extern-static.rs:13:42: 13:43 +- _5 = const {alloc2: &i32}; // scope 1 at $DIR/const-promotion-extern-static.rs:13:42: 13:43 + _6 = const FOO::promoted[0]; // scope 0 at $DIR/const-promotion-extern-static.rs:13:31: 13:46 // ty::Const - // + ty: &i32 -- // + val: Value(Scalar(alloc2+0x0)) +- // + val: Value(Scalar(alloc2)) + // + ty: &[&i32; 1] + // + val: Unevaluated(DefId(0:7 ~ const_promotion_extern_static[317d]::FOO[0]), [], Some(promoted[0])) // mir::Constant - // + span: $DIR/const-promotion-extern-static.rs:13:42: 13:43 -- // + literal: Const { ty: &i32, val: Value(Scalar(alloc2+0x0)) } +- // + literal: Const { ty: &i32, val: Value(Scalar(alloc2)) } - _4 = &(*_5); // scope 1 at $DIR/const-promotion-extern-static.rs:13:41: 13:43 - _3 = [move _4]; // scope 0 at $DIR/const-promotion-extern-static.rs:13:31: 13:46 - _2 = &_3; // scope 0 at $DIR/const-promotion-extern-static.rs:13:31: 13:46 diff --git a/src/test/mir-opt/const_allocation/32bit/rustc.main.ConstProp.after.mir b/src/test/mir-opt/const_allocation/32bit/rustc.main.ConstProp.after.mir index a20dd7bf0fc91..30a383fd162b2 100644 --- a/src/test/mir-opt/const_allocation/32bit/rustc.main.ConstProp.after.mir +++ b/src/test/mir-opt/const_allocation/32bit/rustc.main.ConstProp.after.mir @@ -8,13 +8,13 @@ fn main() -> () { bb0: { StorageLive(_1); // scope 0 at $DIR/const_allocation.rs:8:5: 8:8 StorageLive(_2); // scope 0 at $DIR/const_allocation.rs:8:5: 8:8 - _2 = const {alloc0+0x0: &&[(std::option::Option, &[&str])]}; // scope 0 at $DIR/const_allocation.rs:8:5: 8:8 + _2 = const {alloc0: &&[(std::option::Option, &[&str])]}; // scope 0 at $DIR/const_allocation.rs:8:5: 8:8 // ty::Const // + ty: &&[(std::option::Option, &[&str])] - // + val: Value(Scalar(alloc0+0x0)) + // + val: Value(Scalar(alloc0)) // mir::Constant // + span: $DIR/const_allocation.rs:8:5: 8:8 - // + literal: Const { ty: &&[(std::option::Option, &[&str])], val: Value(Scalar(alloc0+0x0)) } + // + literal: Const { ty: &&[(std::option::Option, &[&str])], val: Value(Scalar(alloc0)) } _1 = (*_2); // scope 0 at $DIR/const_allocation.rs:8:5: 8:8 StorageDead(_2); // scope 0 at $DIR/const_allocation.rs:8:8: 8:9 StorageDead(_1); // scope 0 at $DIR/const_allocation.rs:8:8: 8:9 @@ -30,19 +30,19 @@ fn main() -> () { } alloc0 (static: FOO, size: 8, align: 4) { - ╾─a17+0x0─╼ 03 00 00 00 │ ╾──╼.... + ╾─alloc17─╼ 03 00 00 00 │ ╾──╼.... } alloc17 (size: 48, align: 4) { - 0x00 │ 00 00 00 00 __ __ __ __ ╾─a4+0x0──╼ 00 00 00 00 │ ....░░░░╾──╼.... - 0x10 │ 00 00 00 00 __ __ __ __ ╾─a8+0x0──╼ 02 00 00 00 │ ....░░░░╾──╼.... - 0x20 │ 01 00 00 00 2a 00 00 00 ╾─a13+0x0─╼ 03 00 00 00 │ ....*...╾──╼.... + 0x00 │ 00 00 00 00 __ __ __ __ ╾─alloc4──╼ 00 00 00 00 │ ....░░░░╾──╼.... + 0x10 │ 00 00 00 00 __ __ __ __ ╾─alloc8──╼ 02 00 00 00 │ ....░░░░╾──╼.... + 0x20 │ 01 00 00 00 2a 00 00 00 ╾─alloc13─╼ 03 00 00 00 │ ....*...╾──╼.... } alloc4 (size: 0, align: 4) {} alloc8 (size: 16, align: 4) { - ╾─a7+0x0──╼ 03 00 00 00 ╾─a9+0x0──╼ 03 00 00 00 │ ╾──╼....╾──╼.... + ╾─alloc7──╼ 03 00 00 00 ╾─alloc9──╼ 03 00 00 00 │ ╾──╼....╾──╼.... } alloc7 (size: 3, align: 1) { @@ -54,8 +54,8 @@ alloc9 (size: 3, align: 1) { } alloc13 (size: 24, align: 4) { - 0x00 │ ╾─a12+0x0─╼ 03 00 00 00 ╾─a14+0x0─╼ 03 00 00 00 │ ╾──╼....╾──╼.... - 0x10 │ ╾─a15+0x0─╼ 04 00 00 00 │ ╾──╼.... + 0x00 │ ╾─alloc12─╼ 03 00 00 00 ╾─alloc14─╼ 03 00 00 00 │ ╾──╼....╾──╼.... + 0x10 │ ╾─alloc15─╼ 04 00 00 00 │ ╾──╼.... } alloc12 (size: 3, align: 1) { diff --git a/src/test/mir-opt/const_allocation/64bit/rustc.main.ConstProp.after.mir b/src/test/mir-opt/const_allocation/64bit/rustc.main.ConstProp.after.mir index ff89ac9ad936c..5fa54ae5a58ec 100644 --- a/src/test/mir-opt/const_allocation/64bit/rustc.main.ConstProp.after.mir +++ b/src/test/mir-opt/const_allocation/64bit/rustc.main.ConstProp.after.mir @@ -8,13 +8,13 @@ fn main() -> () { bb0: { StorageLive(_1); // scope 0 at $DIR/const_allocation.rs:8:5: 8:8 StorageLive(_2); // scope 0 at $DIR/const_allocation.rs:8:5: 8:8 - _2 = const {alloc0+0x0: &&[(std::option::Option, &[&str])]}; // scope 0 at $DIR/const_allocation.rs:8:5: 8:8 + _2 = const {alloc0: &&[(std::option::Option, &[&str])]}; // scope 0 at $DIR/const_allocation.rs:8:5: 8:8 // ty::Const // + ty: &&[(std::option::Option, &[&str])] - // + val: Value(Scalar(alloc0+0x0)) + // + val: Value(Scalar(alloc0)) // mir::Constant // + span: $DIR/const_allocation.rs:8:5: 8:8 - // + literal: Const { ty: &&[(std::option::Option, &[&str])], val: Value(Scalar(alloc0+0x0)) } + // + literal: Const { ty: &&[(std::option::Option, &[&str])], val: Value(Scalar(alloc0)) } _1 = (*_2); // scope 0 at $DIR/const_allocation.rs:8:5: 8:8 StorageDead(_2); // scope 0 at $DIR/const_allocation.rs:8:8: 8:9 StorageDead(_1); // scope 0 at $DIR/const_allocation.rs:8:8: 8:9 @@ -30,22 +30,22 @@ fn main() -> () { } alloc0 (static: FOO, size: 16, align: 8) { - ╾─────alloc17+0x0─────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........ + ╾───────alloc17───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........ } alloc17 (size: 72, align: 8) { - 0x00 │ 00 00 00 00 __ __ __ __ ╾─────alloc4+0x0──────╼ │ ....░░░░╾──────╼ + 0x00 │ 00 00 00 00 __ __ __ __ ╾───────alloc4────────╼ │ ....░░░░╾──────╼ 0x10 │ 00 00 00 00 00 00 00 00 00 00 00 00 __ __ __ __ │ ............░░░░ - 0x20 │ ╾─────alloc8+0x0──────╼ 02 00 00 00 00 00 00 00 │ ╾──────╼........ - 0x30 │ 01 00 00 00 2a 00 00 00 ╾─────alloc13+0x0─────╼ │ ....*...╾──────╼ + 0x20 │ ╾───────alloc8────────╼ 02 00 00 00 00 00 00 00 │ ╾──────╼........ + 0x30 │ 01 00 00 00 2a 00 00 00 ╾───────alloc13───────╼ │ ....*...╾──────╼ 0x40 │ 03 00 00 00 00 00 00 00 │ ........ } alloc4 (size: 0, align: 8) {} alloc8 (size: 32, align: 8) { - 0x00 │ ╾─────alloc7+0x0──────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........ - 0x10 │ ╾─────alloc9+0x0──────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........ + 0x00 │ ╾───────alloc7────────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........ + 0x10 │ ╾───────alloc9────────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........ } alloc7 (size: 3, align: 1) { @@ -57,9 +57,9 @@ alloc9 (size: 3, align: 1) { } alloc13 (size: 48, align: 8) { - 0x00 │ ╾─────alloc12+0x0─────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........ - 0x10 │ ╾─────alloc14+0x0─────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........ - 0x20 │ ╾─────alloc15+0x0─────╼ 04 00 00 00 00 00 00 00 │ ╾──────╼........ + 0x00 │ ╾───────alloc12───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........ + 0x10 │ ╾───────alloc14───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........ + 0x20 │ ╾───────alloc15───────╼ 04 00 00 00 00 00 00 00 │ ╾──────╼........ } alloc12 (size: 3, align: 1) { diff --git a/src/test/mir-opt/const_allocation2/32bit/rustc.main.ConstProp.after.mir b/src/test/mir-opt/const_allocation2/32bit/rustc.main.ConstProp.after.mir index e392eaa6aedab..d386d24782926 100644 --- a/src/test/mir-opt/const_allocation2/32bit/rustc.main.ConstProp.after.mir +++ b/src/test/mir-opt/const_allocation2/32bit/rustc.main.ConstProp.after.mir @@ -8,13 +8,13 @@ fn main() -> () { bb0: { StorageLive(_1); // scope 0 at $DIR/const_allocation2.rs:5:5: 5:8 StorageLive(_2); // scope 0 at $DIR/const_allocation2.rs:5:5: 5:8 - _2 = const {alloc0+0x0: &&[(std::option::Option, &[&u8])]}; // scope 0 at $DIR/const_allocation2.rs:5:5: 5:8 + _2 = const {alloc0: &&[(std::option::Option, &[&u8])]}; // scope 0 at $DIR/const_allocation2.rs:5:5: 5:8 // ty::Const // + ty: &&[(std::option::Option, &[&u8])] - // + val: Value(Scalar(alloc0+0x0)) + // + val: Value(Scalar(alloc0)) // mir::Constant // + span: $DIR/const_allocation2.rs:5:5: 5:8 - // + literal: Const { ty: &&[(std::option::Option, &[&u8])], val: Value(Scalar(alloc0+0x0)) } + // + literal: Const { ty: &&[(std::option::Option, &[&u8])], val: Value(Scalar(alloc0)) } _1 = (*_2); // scope 0 at $DIR/const_allocation2.rs:5:5: 5:8 StorageDead(_2); // scope 0 at $DIR/const_allocation2.rs:5:8: 5:9 StorageDead(_1); // scope 0 at $DIR/const_allocation2.rs:5:8: 5:9 @@ -30,19 +30,19 @@ fn main() -> () { } alloc0 (static: FOO, size: 8, align: 4) { - ╾─a21+0x0─╼ 03 00 00 00 │ ╾──╼.... + ╾─alloc21─╼ 03 00 00 00 │ ╾──╼.... } alloc21 (size: 48, align: 4) { - 0x00 │ 00 00 00 00 __ __ __ __ ╾─a4+0x0──╼ 00 00 00 00 │ ....░░░░╾──╼.... - 0x10 │ 00 00 00 00 __ __ __ __ ╾─a9+0x0──╼ 02 00 00 00 │ ....░░░░╾──╼.... - 0x20 │ 01 00 00 00 2a 00 00 00 ╾─a19+0x0─╼ 03 00 00 00 │ ....*...╾──╼.... + 0x00 │ 00 00 00 00 __ __ __ __ ╾─alloc4──╼ 00 00 00 00 │ ....░░░░╾──╼.... + 0x10 │ 00 00 00 00 __ __ __ __ ╾─alloc9──╼ 02 00 00 00 │ ....░░░░╾──╼.... + 0x20 │ 01 00 00 00 2a 00 00 00 ╾─alloc19─╼ 03 00 00 00 │ ....*...╾──╼.... } alloc4 (size: 0, align: 4) {} alloc9 (size: 8, align: 4) { - ╾─a7+0x0──╼ ╾─a8+0x0──╼ │ ╾──╼╾──╼ + ╾─alloc7──╼ ╾─alloc8──╼ │ ╾──╼╾──╼ } alloc7 (size: 1, align: 1) { @@ -54,7 +54,7 @@ alloc8 (size: 1, align: 1) { } alloc19 (size: 12, align: 4) { - ╾─a15+0x3─╼ ╾─a16+0x0─╼ ╾─a18+0x2─╼ │ ╾──╼╾──╼╾──╼ + ╾─a15+0x3─╼ ╾─alloc16─╼ ╾─a18+0x2─╼ │ ╾──╼╾──╼╾──╼ } alloc15 (size: 4, align: 1) { diff --git a/src/test/mir-opt/const_allocation2/64bit/rustc.main.ConstProp.after.mir b/src/test/mir-opt/const_allocation2/64bit/rustc.main.ConstProp.after.mir index 81dc0372b5d10..d7acd0f0f4335 100644 --- a/src/test/mir-opt/const_allocation2/64bit/rustc.main.ConstProp.after.mir +++ b/src/test/mir-opt/const_allocation2/64bit/rustc.main.ConstProp.after.mir @@ -8,13 +8,13 @@ fn main() -> () { bb0: { StorageLive(_1); // scope 0 at $DIR/const_allocation2.rs:5:5: 5:8 StorageLive(_2); // scope 0 at $DIR/const_allocation2.rs:5:5: 5:8 - _2 = const {alloc0+0x0: &&[(std::option::Option, &[&u8])]}; // scope 0 at $DIR/const_allocation2.rs:5:5: 5:8 + _2 = const {alloc0: &&[(std::option::Option, &[&u8])]}; // scope 0 at $DIR/const_allocation2.rs:5:5: 5:8 // ty::Const // + ty: &&[(std::option::Option, &[&u8])] - // + val: Value(Scalar(alloc0+0x0)) + // + val: Value(Scalar(alloc0)) // mir::Constant // + span: $DIR/const_allocation2.rs:5:5: 5:8 - // + literal: Const { ty: &&[(std::option::Option, &[&u8])], val: Value(Scalar(alloc0+0x0)) } + // + literal: Const { ty: &&[(std::option::Option, &[&u8])], val: Value(Scalar(alloc0)) } _1 = (*_2); // scope 0 at $DIR/const_allocation2.rs:5:5: 5:8 StorageDead(_2); // scope 0 at $DIR/const_allocation2.rs:5:8: 5:9 StorageDead(_1); // scope 0 at $DIR/const_allocation2.rs:5:8: 5:9 @@ -30,21 +30,21 @@ fn main() -> () { } alloc0 (static: FOO, size: 16, align: 8) { - ╾─────alloc21+0x0─────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........ + ╾───────alloc21───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........ } alloc21 (size: 72, align: 8) { - 0x00 │ 00 00 00 00 __ __ __ __ ╾─────alloc4+0x0──────╼ │ ....░░░░╾──────╼ + 0x00 │ 00 00 00 00 __ __ __ __ ╾───────alloc4────────╼ │ ....░░░░╾──────╼ 0x10 │ 00 00 00 00 00 00 00 00 00 00 00 00 __ __ __ __ │ ............░░░░ - 0x20 │ ╾─────alloc9+0x0──────╼ 02 00 00 00 00 00 00 00 │ ╾──────╼........ - 0x30 │ 01 00 00 00 2a 00 00 00 ╾─────alloc19+0x0─────╼ │ ....*...╾──────╼ + 0x20 │ ╾───────alloc9────────╼ 02 00 00 00 00 00 00 00 │ ╾──────╼........ + 0x30 │ 01 00 00 00 2a 00 00 00 ╾───────alloc19───────╼ │ ....*...╾──────╼ 0x40 │ 03 00 00 00 00 00 00 00 │ ........ } alloc4 (size: 0, align: 8) {} alloc9 (size: 16, align: 8) { - ╾─────alloc7+0x0──────╼ ╾─────alloc8+0x0──────╼ │ ╾──────╼╾──────╼ + ╾───────alloc7────────╼ ╾───────alloc8────────╼ │ ╾──────╼╾──────╼ } alloc7 (size: 1, align: 1) { @@ -56,7 +56,7 @@ alloc8 (size: 1, align: 1) { } alloc19 (size: 24, align: 8) { - 0x00 │ ╾─────alloc15+0x3─────╼ ╾─────alloc16+0x0─────╼ │ ╾──────╼╾──────╼ + 0x00 │ ╾─────alloc15+0x3─────╼ ╾───────alloc16───────╼ │ ╾──────╼╾──────╼ 0x10 │ ╾─────alloc18+0x2─────╼ │ ╾──────╼ } diff --git a/src/test/mir-opt/const_allocation3/32bit/rustc.main.ConstProp.after.mir b/src/test/mir-opt/const_allocation3/32bit/rustc.main.ConstProp.after.mir index a29327eb9731a..39c60ad987a6f 100644 --- a/src/test/mir-opt/const_allocation3/32bit/rustc.main.ConstProp.after.mir +++ b/src/test/mir-opt/const_allocation3/32bit/rustc.main.ConstProp.after.mir @@ -8,13 +8,13 @@ fn main() -> () { bb0: { StorageLive(_1); // scope 0 at $DIR/const_allocation3.rs:5:5: 5:8 StorageLive(_2); // scope 0 at $DIR/const_allocation3.rs:5:5: 5:8 - _2 = const {alloc0+0x0: &&Packed}; // scope 0 at $DIR/const_allocation3.rs:5:5: 5:8 + _2 = const {alloc0: &&Packed}; // scope 0 at $DIR/const_allocation3.rs:5:5: 5:8 // ty::Const // + ty: &&Packed - // + val: Value(Scalar(alloc0+0x0)) + // + val: Value(Scalar(alloc0)) // mir::Constant // + span: $DIR/const_allocation3.rs:5:5: 5:8 - // + literal: Const { ty: &&Packed, val: Value(Scalar(alloc0+0x0)) } + // + literal: Const { ty: &&Packed, val: Value(Scalar(alloc0)) } _1 = (*_2); // scope 0 at $DIR/const_allocation3.rs:5:5: 5:8 StorageDead(_2); // scope 0 at $DIR/const_allocation3.rs:5:8: 5:9 StorageDead(_1); // scope 0 at $DIR/const_allocation3.rs:5:8: 5:9 @@ -30,19 +30,19 @@ fn main() -> () { } alloc0 (static: FOO, size: 4, align: 4) { - ╾─a9+0x0──╼ │ ╾──╼ + ╾─alloc9──╼ │ ╾──╼ } alloc9 (size: 168, align: 1) { 0x00 │ ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab │ ................ - 0x10 │ ab ab ab ab ab ab ab ab ab ab ab ab ╾─a4+0x0──╼ │ ............╾──╼ + 0x10 │ ab ab ab ab ab ab ab ab ab ab ab ab ╾─alloc4──╼ │ ............╾──╼ 0x20 │ 01 ef cd ab 00 00 00 00 00 00 00 00 00 00 00 00 │ ................ 0x30 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................ 0x40 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................ 0x50 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................ 0x60 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................ 0x70 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................ - 0x80 │ 00 00 00 00 00 00 00 00 00 00 ╾─a6+0x0──╼ 00 00 │ ..........╾──╼.. + 0x80 │ 00 00 00 00 00 00 00 00 00 00 ╾─alloc6──╼ 00 00 │ ..........╾──╼.. 0x90 │ ╾─a7+0x63─╼ 00 00 00 00 00 00 00 00 00 00 00 00 │ ╾──╼............ 0xa0 │ 00 00 00 00 00 00 00 00 │ ........ } diff --git a/src/test/mir-opt/const_allocation3/64bit/rustc.main.ConstProp.after.mir b/src/test/mir-opt/const_allocation3/64bit/rustc.main.ConstProp.after.mir index 865c7c9343218..96024f1c82caa 100644 --- a/src/test/mir-opt/const_allocation3/64bit/rustc.main.ConstProp.after.mir +++ b/src/test/mir-opt/const_allocation3/64bit/rustc.main.ConstProp.after.mir @@ -8,13 +8,13 @@ fn main() -> () { bb0: { StorageLive(_1); // scope 0 at $DIR/const_allocation3.rs:5:5: 5:8 StorageLive(_2); // scope 0 at $DIR/const_allocation3.rs:5:5: 5:8 - _2 = const {alloc0+0x0: &&Packed}; // scope 0 at $DIR/const_allocation3.rs:5:5: 5:8 + _2 = const {alloc0: &&Packed}; // scope 0 at $DIR/const_allocation3.rs:5:5: 5:8 // ty::Const // + ty: &&Packed - // + val: Value(Scalar(alloc0+0x0)) + // + val: Value(Scalar(alloc0)) // mir::Constant // + span: $DIR/const_allocation3.rs:5:5: 5:8 - // + literal: Const { ty: &&Packed, val: Value(Scalar(alloc0+0x0)) } + // + literal: Const { ty: &&Packed, val: Value(Scalar(alloc0)) } _1 = (*_2); // scope 0 at $DIR/const_allocation3.rs:5:5: 5:8 StorageDead(_2); // scope 0 at $DIR/const_allocation3.rs:5:8: 5:9 StorageDead(_1); // scope 0 at $DIR/const_allocation3.rs:5:8: 5:9 @@ -30,12 +30,12 @@ fn main() -> () { } alloc0 (static: FOO, size: 8, align: 8) { - ╾─────alloc9+0x0──────╼ │ ╾──────╼ + ╾───────alloc9────────╼ │ ╾──────╼ } alloc9 (size: 180, align: 1) { 0x00 │ ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab │ ................ - 0x10 │ ab ab ab ab ab ab ab ab ab ab ab ab ╾alloc4+0x0 │ ............╾─── + 0x10 │ ab ab ab ab ab ab ab ab ab ab ab ab ╾──alloc4── │ ............╾─── 0x20 │ ──────────╼ 01 ef cd ab 00 00 00 00 00 00 00 00 │ ───╼............ 0x30 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................ 0x40 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................ @@ -43,7 +43,7 @@ alloc9 (size: 180, align: 1) { 0x60 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................ 0x70 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................ 0x80 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ╾──── │ ..............╾─ - 0x90 │ ───alloc6+0x0───╼ 00 00 ╾─────alloc7+0x63─────╼ │ ─────╼..╾──────╼ + 0x90 │ ─────alloc6─────╼ 00 00 ╾─────alloc7+0x63─────╼ │ ─────╼..╾──────╼ 0xa0 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................ 0xb0 │ 00 00 00 00 │ .... } diff --git a/src/test/mir-opt/const_prop/mutable_variable_no_prop/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/mutable_variable_no_prop/rustc.main.ConstProp.diff index 1e9cbe6024c9b..b7f1242d8d125 100644 --- a/src/test/mir-opt/const_prop/mutable_variable_no_prop/rustc.main.ConstProp.diff +++ b/src/test/mir-opt/const_prop/mutable_variable_no_prop/rustc.main.ConstProp.diff @@ -29,13 +29,13 @@ StorageLive(_2); // scope 1 at $DIR/mutable_variable_no_prop.rs:8:5: 10:6 StorageLive(_3); // scope 2 at $DIR/mutable_variable_no_prop.rs:9:13: 9:19 StorageLive(_4); // scope 2 at $DIR/mutable_variable_no_prop.rs:9:13: 9:19 - _4 = const {alloc0+0x0: *mut u32}; // scope 2 at $DIR/mutable_variable_no_prop.rs:9:13: 9:19 + _4 = const {alloc0: *mut u32}; // scope 2 at $DIR/mutable_variable_no_prop.rs:9:13: 9:19 // ty::Const // + ty: *mut u32 - // + val: Value(Scalar(alloc0+0x0)) + // + val: Value(Scalar(alloc0)) // mir::Constant // + span: $DIR/mutable_variable_no_prop.rs:9:13: 9:19 - // + literal: Const { ty: *mut u32, val: Value(Scalar(alloc0+0x0)) } + // + literal: Const { ty: *mut u32, val: Value(Scalar(alloc0)) } _3 = (*_4); // scope 2 at $DIR/mutable_variable_no_prop.rs:9:13: 9:19 _1 = move _3; // scope 2 at $DIR/mutable_variable_no_prop.rs:9:9: 9:19 StorageDead(_3); // scope 2 at $DIR/mutable_variable_no_prop.rs:9:18: 9:19 diff --git a/src/test/mir-opt/const_prop/read_immutable_static/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/read_immutable_static/rustc.main.ConstProp.diff index bbe0d10601147..103444f796ec6 100644 --- a/src/test/mir-opt/const_prop/read_immutable_static/rustc.main.ConstProp.diff +++ b/src/test/mir-opt/const_prop/read_immutable_static/rustc.main.ConstProp.diff @@ -16,13 +16,13 @@ StorageLive(_1); // scope 0 at $DIR/read_immutable_static.rs:7:9: 7:10 StorageLive(_2); // scope 0 at $DIR/read_immutable_static.rs:7:13: 7:16 StorageLive(_3); // scope 0 at $DIR/read_immutable_static.rs:7:13: 7:16 - _3 = const {alloc0+0x0: &u8}; // scope 0 at $DIR/read_immutable_static.rs:7:13: 7:16 + _3 = const {alloc0: &u8}; // scope 0 at $DIR/read_immutable_static.rs:7:13: 7:16 // ty::Const // + ty: &u8 - // + val: Value(Scalar(alloc0+0x0)) + // + val: Value(Scalar(alloc0)) // mir::Constant // + span: $DIR/read_immutable_static.rs:7:13: 7:16 - // + literal: Const { ty: &u8, val: Value(Scalar(alloc0+0x0)) } + // + literal: Const { ty: &u8, val: Value(Scalar(alloc0)) } - _2 = (*_3); // scope 0 at $DIR/read_immutable_static.rs:7:13: 7:16 + _2 = const 2u8; // scope 0 at $DIR/read_immutable_static.rs:7:13: 7:16 + // ty::Const @@ -33,13 +33,13 @@ + // + literal: Const { ty: u8, val: Value(Scalar(0x02)) } StorageLive(_4); // scope 0 at $DIR/read_immutable_static.rs:7:19: 7:22 StorageLive(_5); // scope 0 at $DIR/read_immutable_static.rs:7:19: 7:22 - _5 = const {alloc0+0x0: &u8}; // scope 0 at $DIR/read_immutable_static.rs:7:19: 7:22 + _5 = const {alloc0: &u8}; // scope 0 at $DIR/read_immutable_static.rs:7:19: 7:22 // ty::Const // + ty: &u8 - // + val: Value(Scalar(alloc0+0x0)) + // + val: Value(Scalar(alloc0)) // mir::Constant // + span: $DIR/read_immutable_static.rs:7:19: 7:22 - // + literal: Const { ty: &u8, val: Value(Scalar(alloc0+0x0)) } + // + literal: Const { ty: &u8, val: Value(Scalar(alloc0)) } - _4 = (*_5); // scope 0 at $DIR/read_immutable_static.rs:7:19: 7:22 - _1 = Add(move _2, move _4); // scope 0 at $DIR/read_immutable_static.rs:7:13: 7:22 + _4 = const 2u8; // scope 0 at $DIR/read_immutable_static.rs:7:19: 7:22 diff --git a/src/test/ui/consts/const-eval/const-pointer-values-in-various-types.stderr b/src/test/ui/consts/const-eval/const-pointer-values-in-various-types.stderr index 649105812b071..d24491e1bc5cb 100644 --- a/src/test/ui/consts/const-eval/const-pointer-values-in-various-types.stderr +++ b/src/test/ui/consts/const-eval/const-pointer-values-in-various-types.stderr @@ -2,7 +2,7 @@ error[E0080]: it is undefined behavior to use this value --> $DIR/const-pointer-values-in-various-types.rs:25:5 | LL | const I32_REF_USIZE_UNION: usize = unsafe { Nonsense { int_32_ref: &3 }.u }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc2+0x0, but expected initialized plain (non-pointer) bytes + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc2, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. @@ -36,7 +36,7 @@ error[E0080]: it is undefined behavior to use this value --> $DIR/const-pointer-values-in-various-types.rs:37:5 | LL | const I32_REF_U64_UNION: u64 = unsafe { Nonsense { int_32_ref: &3 }.uint_64 }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc22+0x0, but expected initialized plain (non-pointer) bytes + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc22, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. @@ -76,7 +76,7 @@ error[E0080]: it is undefined behavior to use this value --> $DIR/const-pointer-values-in-various-types.rs:52:5 | LL | const I32_REF_I64_UNION: i64 = unsafe { Nonsense { int_32_ref: &3 }.int_64 }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc47+0x0, but expected initialized plain (non-pointer) bytes + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc47, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. @@ -100,7 +100,7 @@ error[E0080]: it is undefined behavior to use this value --> $DIR/const-pointer-values-in-various-types.rs:61:5 | LL | const I32_REF_F64_UNION: f64 = unsafe { Nonsense { int_32_ref: &3 }.float_64 }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc62+0x0, but expected initialized plain (non-pointer) bytes + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc62, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. @@ -148,7 +148,7 @@ error[E0080]: it is undefined behavior to use this value --> $DIR/const-pointer-values-in-various-types.rs:79:5 | LL | const STR_U64_UNION: u64 = unsafe { Nonsense { stringy: "3" }.uint_64 }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc86+0x0, but expected initialized plain (non-pointer) bytes + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc86, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. @@ -188,7 +188,7 @@ error[E0080]: it is undefined behavior to use this value --> $DIR/const-pointer-values-in-various-types.rs:94:5 | LL | const STR_I64_UNION: i64 = unsafe { Nonsense { stringy: "3" }.int_64 }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc101+0x0, but expected initialized plain (non-pointer) bytes + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc101, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. @@ -212,7 +212,7 @@ error[E0080]: it is undefined behavior to use this value --> $DIR/const-pointer-values-in-various-types.rs:103:5 | LL | const STR_F64_UNION: f64 = unsafe { Nonsense { stringy: "3" }.float_64 }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc110+0x0, but expected initialized plain (non-pointer) bytes + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc110, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. diff --git a/src/test/ui/consts/const-eval/ref_to_int_match.stderr b/src/test/ui/consts/const-eval/ref_to_int_match.stderr index df6fc66620b3c..cb0ba5d9929b9 100644 --- a/src/test/ui/consts/const-eval/ref_to_int_match.stderr +++ b/src/test/ui/consts/const-eval/ref_to_int_match.stderr @@ -2,7 +2,7 @@ error[E0080]: it is undefined behavior to use this value --> $DIR/ref_to_int_match.rs:25:1 | LL | const BAR: Int = unsafe { Foo { r: &42 }.f }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc2+0x0, but expected initialized plain (non-pointer) bytes + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc2, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. diff --git a/src/test/ui/consts/const-eval/ub-enum.stderr b/src/test/ui/consts/const-eval/ub-enum.stderr index 8f0ce58eaf5d0..d8dafac3e70a1 100644 --- a/src/test/ui/consts/const-eval/ub-enum.stderr +++ b/src/test/ui/consts/const-eval/ub-enum.stderr @@ -10,7 +10,7 @@ error[E0080]: it is undefined behavior to use this value --> $DIR/ub-enum.rs:27:1 | LL | const BAD_ENUM_PTR: Enum = unsafe { mem::transmute(&1) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc8+0x0 at ., but expected initialized plain (non-pointer) bytes + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc8 at ., but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. @@ -18,7 +18,7 @@ error[E0080]: it is undefined behavior to use this value --> $DIR/ub-enum.rs:30:1 | LL | const BAD_ENUM_WRAPPED: Wrap = unsafe { mem::transmute(&1) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc13+0x0 at .0., but expected initialized plain (non-pointer) bytes + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc13 at .0., but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. @@ -34,7 +34,7 @@ error[E0080]: it is undefined behavior to use this value --> $DIR/ub-enum.rs:44:1 | LL | const BAD_ENUM2_PTR: Enum2 = unsafe { mem::transmute(&0) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc20+0x0 at ., but expected initialized plain (non-pointer) bytes + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc20 at ., but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. @@ -42,7 +42,7 @@ error[E0080]: it is undefined behavior to use this value --> $DIR/ub-enum.rs:47:1 | LL | const BAD_ENUM2_WRAPPED: Wrap = unsafe { mem::transmute(&0) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc25+0x0 at .0., but expected initialized plain (non-pointer) bytes + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc25 at .0., but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. @@ -58,7 +58,7 @@ error[E0080]: it is undefined behavior to use this value --> $DIR/ub-enum.rs:60:1 | LL | const BAD_ENUM2_OPTION_PTR: Option = unsafe { mem::transmute(&0) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc32+0x0 at ., but expected initialized plain (non-pointer) bytes + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc32 at ., but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. diff --git a/src/test/ui/consts/const-eval/ub-ref.stderr b/src/test/ui/consts/const-eval/ub-ref.stderr index 95a83d11acd07..a219679f18264 100644 --- a/src/test/ui/consts/const-eval/ub-ref.stderr +++ b/src/test/ui/consts/const-eval/ub-ref.stderr @@ -34,7 +34,7 @@ error[E0080]: it is undefined behavior to use this value --> $DIR/ub-ref.rs:24:1 | LL | const REF_AS_USIZE: usize = unsafe { mem::transmute(&0) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc16+0x0, but expected initialized plain (non-pointer) bytes + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type validation failed: encountered pointer to alloc16, but expected initialized plain (non-pointer) bytes | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. From 5063297c798c98f785047d4e18a3b9fd1a5331d8 Mon Sep 17 00:00:00 2001 From: Wesley Wiser Date: Tue, 12 May 2020 08:11:58 -0400 Subject: [PATCH 10/11] Add doc comment for `rustc_middle::mir::mono::Linkage` --- src/librustc_middle/mir/mono.rs | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/librustc_middle/mir/mono.rs b/src/librustc_middle/mir/mono.rs index 632607e335626..c889dbc0a4498 100644 --- a/src/librustc_middle/mir/mono.rs +++ b/src/librustc_middle/mir/mono.rs @@ -239,6 +239,9 @@ pub struct CodegenUnit<'tcx> { size_estimate: Option, } +/// Specifies the linkage type for a `MonoItem`. +/// +/// See https://llvm.org/docs/LangRef.html#linkage-types for more details about these variants. #[derive(Copy, Clone, PartialEq, Debug, RustcEncodable, RustcDecodable, HashStable)] pub enum Linkage { External, From 003ed802c4a289d959d4212ad80f33df7f3e2bc3 Mon Sep 17 00:00:00 2001 From: Laurence Tratt Date: Tue, 12 May 2020 16:54:29 +0100 Subject: [PATCH 11/11] Map to -> return. --- src/libcore/any.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/libcore/any.rs b/src/libcore/any.rs index 996a9cdfc4d9d..79b6304958d51 100644 --- a/src/libcore/any.rs +++ b/src/libcore/any.rs @@ -448,7 +448,7 @@ impl TypeId { /// This is intended for diagnostic use. The exact contents and format of the /// string returned are not specified, other than being a best-effort /// description of the type. For example, amongst the strings -/// that `type_name::>()` might map to are `"Option"` and +/// that `type_name::>()` might return are `"Option"` and /// `"std::option::Option"`. /// /// The returned string must not be considered to be a unique identifier of a