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CAD97 opened this issue Apr 8, 2022 · 1 comment
Closed

generic_const_exprs + ptr_metadata = index out of bounds #95821

CAD97 opened this issue Apr 8, 2022 · 1 comment
Labels
C-bug Category: This is a bug. F-adt_const_params `#![feature(adt_const_params)]` F-generic_const_exprs `#![feature(generic_const_exprs)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-nightly This issue requires a nightly compiler in some way. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@CAD97
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CAD97 commented Apr 8, 2022

Code

[playground]

#![feature(adt_const_params, generic_const_exprs, ptr_metadata)]

use core::{alloc::Layout, ptr::Pointee};

pub const fn layout_size(layout: Layout) -> usize {
    layout.size()
}

pub struct InlineStorage<const LAYOUT: Layout> {}

impl<const LAYOUT: Layout> InlineStorage<LAYOUT>
where
    [(); layout_size(LAYOUT)]:, // line A
{
    fn create<T: ?Sized>(&mut self, meta: <T as Pointee>::Metadata) {} // line B
}

Removing either the generic_const_expr on line A or the meta argument on line B causes the ICE to go away.

Meta

rustc --version --verbose:

note: rustc 1.62.0-nightly (e745b4ddb 2022-04-07) running on x86_64-unknown-linux-gnu

rustc 1.61.0-nightly (76d770ac2 2022-04-02)
binary: rustc
commit-hash: 76d770ac21d9521db6a92a48c7b3d5b2cc535941
commit-date: 2022-04-02
host: x86_64-pc-windows-msvc
release: 1.61.0-nightly
LLVM version: 14.0.0

Error output

thread 'rustc' panicked at 'index out of bounds: the len is 0 but the index is 0', /cargo/registry/src/github.com-1ecc6299db9ec823/ena-0.14.0/src/snapshot_vec.rs:199:10

error: internal compiler error: unexpected panic

note: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: rustc 1.62.0-nightly (e745b4ddb 2022-04-07) running on x86_64-unknown-linux-gnu

note: compiler flags: --crate-type lib -C embed-bitcode=no -C codegen-units=1 -C debuginfo=2

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
#0 [is_sized_raw] computing whether `T` is `Sized`
#1 [normalize_projection_ty] normalizing `Canonical { max_universe: U0, variables: [CanonicalVarInfo { kind: Region(U0) }], value: ParamEnvAnd { param_env: ParamEnv { caller_bounds: [Binder(ConstEvaluatable(WithOptConstParam { did: DefId(0:15 ~ playground[522f]::{impl#0}::{constant#0}), const_param_did: None }, [Const { ty: core::alloc::layout::Layout, val: Param(LAYOUT/#0) }]), []), Binder(OutlivesPredicate([(); _], ReLateBound(DebruijnIndex(1), BoundRegion { var: 0, kind: BrAnon(0) })), [])], reveal: UserFacing, constness: NotConst }, value: ProjectionTy { substs: [T], item_def_id: DefId(2:2101 ~ core[eae4]::ptr::metadata::Pointee::Metadata) } } }`
#2 [try_normalize_generic_arg_after_erasing_regions] normalizing `<T as core::ptr::metadata::Pointee>::Metadata`
#3 [mir_built] building MIR for `<impl at src/lib.rs:11:1: 16:2>::create`
#4 [unsafety_check_result] unsafety-checking `<impl at src/lib.rs:11:1: 16:2>::create`
#5 [mir_const] processing MIR for `<impl at src/lib.rs:11:1: 16:2>::create`
#6 [mir_promoted] processing `<impl at src/lib.rs:11:1: 16:2>::create`
#7 [mir_borrowck] borrow-checking `<impl at src/lib.rs:11:1: 16:2>::create`
#8 [analysis] running analysis passes on this crate
end of query stack
Backtrace 

stack backtrace:
   0:     0x7fd4f3256e0d - std::backtrace_rs::backtrace::libunwind::trace::h87fc9110a03070c9
                               at /rustc/e745b4ddbd05026c75aae4506aef39fdfe1603c5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7fd4f3256e0d - std::backtrace_rs::backtrace::trace_unsynchronized::hf8e09efda70fd4c4
                               at /rustc/e745b4ddbd05026c75aae4506aef39fdfe1603c5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7fd4f3256e0d - std::sys_common::backtrace::_print_fmt::h2bba281e85b7e4cf
                               at /rustc/e745b4ddbd05026c75aae4506aef39fdfe1603c5/library/std/src/sys_common/backtrace.rs:66:5
   3:     0x7fd4f3256e0d - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h72fd149eebcc176d
                               at /rustc/e745b4ddbd05026c75aae4506aef39fdfe1603c5/library/std/src/sys_common/backtrace.rs:45:22
   4:     0x7fd4f32b0c6c - core::fmt::write::h16877f69e16283c2
                               at /rustc/e745b4ddbd05026c75aae4506aef39fdfe1603c5/library/core/src/fmt/mod.rs:1194:17
   5:     0x7fd4f3248611 - std::io::Write::write_fmt::h505f84b4395e02be
                               at /rustc/e745b4ddbd05026c75aae4506aef39fdfe1603c5/library/std/src/io/mod.rs:1655:15
   6:     0x7fd4f3259d35 - std::sys_common::backtrace::_print::hff1b2addc8b3ab2e
                               at /rustc/e745b4ddbd05026c75aae4506aef39fdfe1603c5/library/std/src/sys_common/backtrace.rs:48:5
   7:     0x7fd4f3259d35 - std::sys_common::backtrace::print::h5383334ff1a62414
                               at /rustc/e745b4ddbd05026c75aae4506aef39fdfe1603c5/library/std/src/sys_common/backtrace.rs:35:9
   8:     0x7fd4f3259d35 - std::panicking::default_hook::{{closure}}::h55bff06032661335
                               at /rustc/e745b4ddbd05026c75aae4506aef39fdfe1603c5/library/std/src/panicking.rs:295:22
   9:     0x7fd4f32599a9 - std::panicking::default_hook::hbddb577ba3bd3e3a
                               at /rustc/e745b4ddbd05026c75aae4506aef39fdfe1603c5/library/std/src/panicking.rs:314:9
  10:     0x7fd4f39f9d31 - rustc_driver[20943ffe626f84b6]::DEFAULT_HOOK::{closure#0}::{closure#0}
  11:     0x7fd4f325a4d0 - std::panicking::rust_panic_with_hook::h8fddd70bf6ad28e0
                               at /rustc/e745b4ddbd05026c75aae4506aef39fdfe1603c5/library/std/src/panicking.rs:702:17
  12:     0x7fd4f325a307 - std::panicking::begin_panic_handler::{{closure}}::h9ed2b9c069b0b649
                               at /rustc/e745b4ddbd05026c75aae4506aef39fdfe1603c5/library/std/src/panicking.rs:588:13
  13:     0x7fd4f32572c4 - std::sys_common::backtrace::__rust_end_short_backtrace::hc2651b8923246021
                               at /rustc/e745b4ddbd05026c75aae4506aef39fdfe1603c5/library/std/src/sys_common/backtrace.rs:138:18
  14:     0x7fd4f325a039 - rust_begin_unwind
                               at /rustc/e745b4ddbd05026c75aae4506aef39fdfe1603c5/library/std/src/panicking.rs:584:5
  15:     0x7fd4f321e6f3 - core::panicking::panic_fmt::h0606840aebfd8c79
                               at /rustc/e745b4ddbd05026c75aae4506aef39fdfe1603c5/library/core/src/panicking.rs:142:14
  16:     0x7fd4f321e632 - core::panicking::panic_bounds_check::hda03ddffa0d42b34
                               at /rustc/e745b4ddbd05026c75aae4506aef39fdfe1603c5/library/core/src/panicking.rs:84:5
  17:     0x7fd4f57d51f5 - <ena[dce0934b6d7f80a]::unify::UnificationTable<ena[dce0934b6d7f80a]::unify::backing_vec::InPlace<rustc_middle[7f64d339e0b7d513]::infer::unify_key::RegionVidKey, &mut alloc[330c6987bd660c40]::vec::Vec<ena[dce0934b6d7f80a]::unify::VarValue<rustc_middle[7f64d339e0b7d513]::infer::unify_key::RegionVidKey>>, &mut rustc_infer[2bb09421bfed907a]::infer::undo_log::InferCtxtUndoLogs>>>::uninlined_get_root_key
  18:     0x7fd4f57b2ef8 - <rustc_infer[2bb09421bfed907a]::infer::canonical::canonicalizer::Canonicalizer as rustc_middle[7f64d339e0b7d513]::ty::fold::TypeFolder>::fold_region
  19:     0x7fd4f57376d4 - rustc_middle[7f64d339e0b7d513]::ty::util::fold_list::<rustc_infer[2bb09421bfed907a]::infer::canonical::canonicalizer::Canonicalizer, rustc_middle[7f64d339e0b7d513]::ty::Predicate, <&rustc_middle[7f64d339e0b7d513]::ty::list::List<rustc_middle[7f64d339e0b7d513]::ty::Predicate> as rustc_middle[7f64d339e0b7d513]::ty::fold::TypeFoldable>::try_super_fold_with<rustc_infer[2bb09421bfed907a]::infer::canonical::canonicalizer::Canonicalizer>::{closure#0}>
  20:     0x7fd4f56c294f - <rustc_infer[2bb09421bfed907a]::infer::InferCtxt as rustc_trait_selection[41f150cee6be8073]::traits::query::evaluate_obligation::InferCtxtExt>::predicate_must_hold_modulo_regions
  21:     0x7fd4f5721c3a - rustc_trait_selection[41f150cee6be8073]::traits::type_known_to_meet_bound_modulo_regions
  22:     0x7fd4f4f972bb - <rustc_infer[2bb09421bfed907a]::infer::InferCtxtBuilder>::enter::<bool, rustc_ty_utils[47a113fcd8c9b200]::common_traits::is_item_raw::{closure#0}>
  23:     0x7fd4f5ca4cb0 - rustc_ty_utils[47a113fcd8c9b200]::common_traits::is_item_raw
  24:     0x7fd4f53a938c - rustc_query_system[bc809a0ba9a8482d]::query::plumbing::try_execute_query::<rustc_query_impl[95fa4d0da0451691]::plumbing::QueryCtxt, rustc_query_system[bc809a0ba9a8482d]::query::caches::DefaultCache<rustc_middle[7f64d339e0b7d513]::ty::ParamEnvAnd<rustc_middle[7f64d339e0b7d513]::ty::Ty>, bool>>
  25:     0x7fd4f5e9c42b - rustc_query_system[bc809a0ba9a8482d]::query::plumbing::get_query::<rustc_query_impl[95fa4d0da0451691]::queries::is_sized_raw, rustc_query_impl[95fa4d0da0451691]::plumbing::QueryCtxt>
  26:     0x7fd4f58ff0d5 - <rustc_middle[7f64d339e0b7d513]::ty::Ty>::is_sized
  27:     0x7fd4f56f1fe2 - rustc_trait_selection[41f150cee6be8073]::traits::project::opt_normalize_projection_type
  28:     0x7fd4f56e83b3 - rustc_trait_selection[41f150cee6be8073]::traits::project::normalize_projection_type
  29:     0x7fd4f5dc6045 - <rustc_infer[2bb09421bfed907a]::infer::InferCtxtBuilder as rustc_trait_selection[41f150cee6be8073]::infer::InferCtxtBuilderExt>::enter_canonical_trait_query::<rustc_middle[7f64d339e0b7d513]::ty::ParamEnvAnd<rustc_middle[7f64d339e0b7d513]::ty::sty::ProjectionTy>, rustc_middle[7f64d339e0b7d513]::traits::query::NormalizationResult, rustc_traits[8b0618417cc35a4e]::normalize_projection_ty::normalize_projection_ty::{closure#0}>
  30:     0x7fd4f5dcd515 - rustc_traits[8b0618417cc35a4e]::normalize_projection_ty::normalize_projection_ty
  31:     0x7fd4f5e40068 - rustc_query_system[bc809a0ba9a8482d]::query::plumbing::try_execute_query::<rustc_query_impl[95fa4d0da0451691]::plumbing::QueryCtxt, rustc_query_system[bc809a0ba9a8482d]::query::caches::DefaultCache<rustc_middle[7f64d339e0b7d513]::infer::canonical::Canonical<rustc_middle[7f64d339e0b7d513]::ty::ParamEnvAnd<rustc_middle[7f64d339e0b7d513]::ty::sty::ProjectionTy>>, core[eae4a2c4558b790c]::result::Result<&rustc_middle[7f64d339e0b7d513]::infer::canonical::Canonical<rustc_middle[7f64d339e0b7d513]::infer::canonical::QueryResponse<rustc_middle[7f64d339e0b7d513]::traits::query::NormalizationResult>>, rustc_middle[7f64d339e0b7d513]::traits::query::NoSolution>>>
  32:     0x7fd4f5eac698 - rustc_query_system[bc809a0ba9a8482d]::query::plumbing::get_query::<rustc_query_impl[95fa4d0da0451691]::queries::normalize_projection_ty, rustc_query_impl[95fa4d0da0451691]::plumbing::QueryCtxt>
  33:     0x7fd4f5f6d088 - <rustc_query_impl[95fa4d0da0451691]::Queries as rustc_middle[7f64d339e0b7d513]::ty::query::QueryEngine>::normalize_projection_ty
  34:     0x7fd4f572499f - <rustc_trait_selection[41f150cee6be8073]::traits::query::normalize::QueryNormalizer as rustc_middle[7f64d339e0b7d513]::ty::fold::FallibleTypeFolder>::try_fold_ty
  35:     0x7fd4f527a7d1 - <rustc_infer[2bb09421bfed907a]::infer::at::At as rustc_trait_selection[41f150cee6be8073]::traits::query::normalize::AtExt>::normalize::<rustc_middle[7f64d339e0b7d513]::ty::subst::GenericArg>
  36:     0x7fd4f527ef8a - <rustc_infer[2bb09421bfed907a]::infer::InferCtxtBuilder>::enter::<core[eae4a2c4558b790c]::result::Result<rustc_middle[7f64d339e0b7d513]::ty::subst::GenericArg, rustc_middle[7f64d339e0b7d513]::traits::query::NoSolution>, rustc_traits[8b0618417cc35a4e]::normalize_erasing_regions::try_normalize_after_erasing_regions<rustc_middle[7f64d339e0b7d513]::ty::subst::GenericArg>::{closure#0}>
  37:     0x7fd4f528cfec - <rustc_traits[8b0618417cc35a4e]::normalize_erasing_regions::provide::{closure#0} as core[eae4a2c4558b790c]::ops::function::FnOnce<(rustc_middle[7f64d339e0b7d513]::ty::context::TyCtxt, rustc_middle[7f64d339e0b7d513]::ty::ParamEnvAnd<rustc_middle[7f64d339e0b7d513]::ty::subst::GenericArg>)>>::call_once
  38:     0x7fd4f53aaca9 - rustc_query_system[bc809a0ba9a8482d]::query::plumbing::try_execute_query::<rustc_query_impl[95fa4d0da0451691]::plumbing::QueryCtxt, rustc_query_system[bc809a0ba9a8482d]::query::caches::DefaultCache<rustc_middle[7f64d339e0b7d513]::ty::ParamEnvAnd<rustc_middle[7f64d339e0b7d513]::ty::subst::GenericArg>, core[eae4a2c4558b790c]::result::Result<rustc_middle[7f64d339e0b7d513]::ty::subst::GenericArg, rustc_middle[7f64d339e0b7d513]::traits::query::NoSolution>>>
  39:     0x7fd4f54a6ff3 - <rustc_query_impl[95fa4d0da0451691]::Queries as rustc_middle[7f64d339e0b7d513]::ty::query::QueryEngine>::try_normalize_generic_arg_after_erasing_regions
  40:     0x7fd4f58e5452 - <rustc_middle[7f64d339e0b7d513]::ty::normalize_erasing_regions::TryNormalizeAfterErasingRegionsFolder as rustc_middle[7f64d339e0b7d513]::ty::fold::FallibleTypeFolder>::try_fold_ty
  41:     0x7fd4f50e70e8 - rustc_mir_build[862dae384f97135a]::build::construct_fn::<core[eae4a2c4558b790c]::iter::adapters::chain::Chain<alloc[330c6987bd660c40]::vec::into_iter::IntoIter<rustc_mir_build[862dae384f97135a]::build::ArgInfo>, core[eae4a2c4558b790c]::iter::adapters::map::Map<core[eae4a2c4558b790c]::iter::adapters::enumerate::Enumerate<core[eae4a2c4558b790c]::slice::iter::Iter<rustc_hir[3eace101c153d1f4]::hir::Param>>, rustc_mir_build[862dae384f97135a]::build::mir_build::{closure#1}::{closure#1}>>>
  42:     0x7fd4f513ff0f - <rustc_infer[2bb09421bfed907a]::infer::InferCtxtBuilder>::enter::<rustc_middle[7f64d339e0b7d513]::mir::Body, rustc_mir_build[862dae384f97135a]::build::mir_build::{closure#1}>
  43:     0x7fd4f50e3f6a - rustc_mir_build[862dae384f97135a]::build::mir_built
  44:     0x7fd4f53b3251 - rustc_query_system[bc809a0ba9a8482d]::query::plumbing::try_execute_query::<rustc_query_impl[95fa4d0da0451691]::plumbing::QueryCtxt, rustc_query_system[bc809a0ba9a8482d]::query::caches::DefaultCache<rustc_middle[7f64d339e0b7d513]::ty::WithOptConstParam<rustc_span[c549c48e758487d2]::def_id::LocalDefId>, &rustc_data_structures[fae15044d3ca7ff8]::steal::Steal<rustc_middle[7f64d339e0b7d513]::mir::Body>>>
  45:     0x7fd4f54a2cc5 - <rustc_query_impl[95fa4d0da0451691]::Queries as rustc_middle[7f64d339e0b7d513]::ty::query::QueryEngine>::mir_built
  46:     0x7fd4f4e0aca2 - rustc_mir_transform[e3256c1f1ea9fed0]::check_unsafety::unsafety_check_result
  47:     0x7fd4f4e06f40 - <rustc_mir_transform[e3256c1f1ea9fed0]::check_unsafety::provide::{closure#0} as core[eae4a2c4558b790c]::ops::function::FnOnce<(rustc_middle[7f64d339e0b7d513]::ty::context::TyCtxt, rustc_span[c549c48e758487d2]::def_id::LocalDefId)>>::call_once
  48:     0x7fd4f53c76b7 - rustc_query_system[bc809a0ba9a8482d]::query::plumbing::try_execute_query::<rustc_query_impl[95fa4d0da0451691]::plumbing::QueryCtxt, rustc_query_system[bc809a0ba9a8482d]::query::caches::DefaultCache<rustc_span[c549c48e758487d2]::def_id::LocalDefId, &rustc_middle[7f64d339e0b7d513]::mir::query::UnsafetyCheckResult>>
  49:     0x7fd4f54a403e - <rustc_query_impl[95fa4d0da0451691]::Queries as rustc_middle[7f64d339e0b7d513]::ty::query::QueryEngine>::unsafety_check_result
  50:     0x7fd4f4e020ef - rustc_mir_transform[e3256c1f1ea9fed0]::mir_const
  51:     0x7fd4f53b3251 - rustc_query_system[bc809a0ba9a8482d]::query::plumbing::try_execute_query::<rustc_query_impl[95fa4d0da0451691]::plumbing::QueryCtxt, rustc_query_system[bc809a0ba9a8482d]::query::caches::DefaultCache<rustc_middle[7f64d339e0b7d513]::ty::WithOptConstParam<rustc_span[c549c48e758487d2]::def_id::LocalDefId>, &rustc_data_structures[fae15044d3ca7ff8]::steal::Steal<rustc_middle[7f64d339e0b7d513]::mir::Body>>>
  52:     0x7fd4f54a2dfc - <rustc_query_impl[95fa4d0da0451691]::Queries as rustc_middle[7f64d339e0b7d513]::ty::query::QueryEngine>::mir_const
  53:     0x7fd4f4e03c0d - rustc_mir_transform[e3256c1f1ea9fed0]::mir_promoted
  54:     0x7fd4f53b4759 - rustc_query_system[bc809a0ba9a8482d]::query::plumbing::try_execute_query::<rustc_query_impl[95fa4d0da0451691]::plumbing::QueryCtxt, rustc_query_system[bc809a0ba9a8482d]::query::caches::DefaultCache<rustc_middle[7f64d339e0b7d513]::ty::WithOptConstParam<rustc_span[c549c48e758487d2]::def_id::LocalDefId>, (&rustc_data_structures[fae15044d3ca7ff8]::steal::Steal<rustc_middle[7f64d339e0b7d513]::mir::Body>, &rustc_data_structures[fae15044d3ca7ff8]::steal::Steal<rustc_index[33e3efcb4546502c]::vec::IndexVec<rustc_middle[7f64d339e0b7d513]::mir::Promoted, rustc_middle[7f64d339e0b7d513]::mir::Body>>)>>
  55:     0x7fd4f54a3214 - <rustc_query_impl[95fa4d0da0451691]::Queries as rustc_middle[7f64d339e0b7d513]::ty::query::QueryEngine>::mir_promoted
  56:     0x7fd4f520b479 - rustc_borrowck[fe87f904ca1034d]::mir_borrowck
  57:     0x7fd4f52084d0 - <rustc_borrowck[fe87f904ca1034d]::provide::{closure#0} as core[eae4a2c4558b790c]::ops::function::FnOnce<(rustc_middle[7f64d339e0b7d513]::ty::context::TyCtxt, rustc_span[c549c48e758487d2]::def_id::LocalDefId)>>::call_once
  58:     0x7fd4f53c66b1 - rustc_query_system[bc809a0ba9a8482d]::query::plumbing::try_execute_query::<rustc_query_impl[95fa4d0da0451691]::plumbing::QueryCtxt, rustc_query_system[bc809a0ba9a8482d]::query::caches::DefaultCache<rustc_span[c549c48e758487d2]::def_id::LocalDefId, &rustc_middle[7f64d339e0b7d513]::mir::query::BorrowCheckResult>>
  59:     0x7fd4f54a46aa - <rustc_query_impl[95fa4d0da0451691]::Queries as rustc_middle[7f64d339e0b7d513]::ty::query::QueryEngine>::mir_borrowck
  60:     0x7fd4f4cab828 - <rustc_middle[7f64d339e0b7d513]::hir::map::Map>::par_body_owners::<rustc_interface[6f5777461d223668]::passes::analysis::{closure#2}::{closure#0}>
  61:     0x7fd4f59ae758 - <rustc_session[38af0e98366f254d]::session::Session>::time::<(), rustc_interface[6f5777461d223668]::passes::analysis::{closure#2}>
  62:     0x7fd4f59a9f15 - rustc_interface[6f5777461d223668]::passes::analysis
  63:     0x7fd4f5e70aae - rustc_query_system[bc809a0ba9a8482d]::query::plumbing::try_execute_query::<rustc_query_impl[95fa4d0da0451691]::plumbing::QueryCtxt, rustc_query_system[bc809a0ba9a8482d]::query::caches::DefaultCache<(), core[eae4a2c4558b790c]::result::Result<(), rustc_errors[bbde95346f1428cb]::ErrorGuaranteed>>>
  64:     0x7fd4f5eb425e - rustc_query_system[bc809a0ba9a8482d]::query::plumbing::get_query::<rustc_query_impl[95fa4d0da0451691]::queries::analysis, rustc_query_impl[95fa4d0da0451691]::plumbing::QueryCtxt>
  65:     0x7fd4f59829d7 - <rustc_interface[6f5777461d223668]::passes::QueryContext>::enter::<rustc_driver[20943ffe626f84b6]::run_compiler::{closure#1}::{closure#2}::{closure#3}, core[eae4a2c4558b790c]::result::Result<(), rustc_errors[bbde95346f1428cb]::ErrorGuaranteed>>
  66:     0x7fd4f596d09b - <rustc_interface[6f5777461d223668]::interface::Compiler>::enter::<rustc_driver[20943ffe626f84b6]::run_compiler::{closure#1}::{closure#2}, core[eae4a2c4558b790c]::result::Result<core[eae4a2c4558b790c]::option::Option<rustc_interface[6f5777461d223668]::queries::Linker>, rustc_errors[bbde95346f1428cb]::ErrorGuaranteed>>
  67:     0x7fd4f599654f - rustc_span[c549c48e758487d2]::with_source_map::<core[eae4a2c4558b790c]::result::Result<(), rustc_errors[bbde95346f1428cb]::ErrorGuaranteed>, rustc_interface[6f5777461d223668]::interface::create_compiler_and_run<core[eae4a2c4558b790c]::result::Result<(), rustc_errors[bbde95346f1428cb]::ErrorGuaranteed>, rustc_driver[20943ffe626f84b6]::run_compiler::{closure#1}>::{closure#1}>
  68:     0x7fd4f596df27 - <scoped_tls[4c52abfab712cd8e]::ScopedKey<rustc_span[c549c48e758487d2]::SessionGlobals>>::set::<rustc_interface[6f5777461d223668]::interface::run_compiler<core[eae4a2c4558b790c]::result::Result<(), rustc_errors[bbde95346f1428cb]::ErrorGuaranteed>, rustc_driver[20943ffe626f84b6]::run_compiler::{closure#1}>::{closure#0}, core[eae4a2c4558b790c]::result::Result<(), rustc_errors[bbde95346f1428cb]::ErrorGuaranteed>>
  69:     0x7fd4f598305f - std[1f52b9863de3167b]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[6f5777461d223668]::util::run_in_thread_pool_with_globals<rustc_interface[6f5777461d223668]::interface::run_compiler<core[eae4a2c4558b790c]::result::Result<(), rustc_errors[bbde95346f1428cb]::ErrorGuaranteed>, rustc_driver[20943ffe626f84b6]::run_compiler::{closure#1}>::{closure#0}, core[eae4a2c4558b790c]::result::Result<(), rustc_errors[bbde95346f1428cb]::ErrorGuaranteed>>::{closure#0}, core[eae4a2c4558b790c]::result::Result<(), rustc_errors[bbde95346f1428cb]::ErrorGuaranteed>>
  70:     0x7fd4f5983199 - <<std[1f52b9863de3167b]::thread::Builder>::spawn_unchecked_<rustc_interface[6f5777461d223668]::util::run_in_thread_pool_with_globals<rustc_interface[6f5777461d223668]::interface::run_compiler<core[eae4a2c4558b790c]::result::Result<(), rustc_errors[bbde95346f1428cb]::ErrorGuaranteed>, rustc_driver[20943ffe626f84b6]::run_compiler::{closure#1}>::{closure#0}, core[eae4a2c4558b790c]::result::Result<(), rustc_errors[bbde95346f1428cb]::ErrorGuaranteed>>::{closure#0}, core[eae4a2c4558b790c]::result::Result<(), rustc_errors[bbde95346f1428cb]::ErrorGuaranteed>>::{closure#1} as core[eae4a2c4558b790c]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  71:     0x7fd4f32645c3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h66b0cb04558949f8
                               at /rustc/e745b4ddbd05026c75aae4506aef39fdfe1603c5/library/alloc/src/boxed.rs:1853:9
  72:     0x7fd4f32645c3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2674426c74373260
                               at /rustc/e745b4ddbd05026c75aae4506aef39fdfe1603c5/library/alloc/src/boxed.rs:1853:9
  73:     0x7fd4f32645c3 - std::sys::unix::thread::Thread::new::thread_start::he975fba2104844cd
                               at /rustc/e745b4ddbd05026c75aae4506aef39fdfe1603c5/library/std/src/sys/unix/thread.rs:108:17
  74:     0x7fd4f3194609 - start_thread
  75:     0x7fd4f30ad163 - clone
  76:                0x0 - <unknown>

@rustbot modify labels: +requires-nightly +F-generic_const_exprs +F-adt_const_params
@CAD97 CAD97 added C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Apr 8, 2022
@rustbot rustbot added F-adt_const_params `#![feature(adt_const_params)]` F-generic_const_exprs `#![feature(generic_const_exprs)]` requires-nightly This issue requires a nightly compiler in some way. labels Apr 8, 2022
@CAD97 CAD97 changed the title generic_const_exprs + ptr_metadata = ICE generic_const_exprs + ptr_metadata = index out of bounds Apr 8, 2022
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CAD97 commented Apr 8, 2022

Closing in favor of #95823 which I think is actually the same issue but better reduced, but reported separately due to local/playground nightly differences

@CAD97 CAD97 closed this as completed Apr 8, 2022
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C-bug Category: This is a bug. F-adt_const_params `#![feature(adt_const_params)]` F-generic_const_exprs `#![feature(generic_const_exprs)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-nightly This issue requires a nightly compiler in some way. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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