Rollup merge of #123307 - tgross35:f16-f128-feature-gate-fix, r=petro…

…chenkov Fix f16 and f128 feature gating on different editions Apply the fix from #123282 (comment) to correctly gates `f16` and `f128` in editions other than 2015
rust-lang · Apr 4, 2024 · 819568a · 819568a
2 parents c8cd010 + 5afe072
commit 819568a
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diff --git a/compiler/rustc_resolve/src/ident.rs b/compiler/rustc_resolve/src/ident.rs
@@ -605,6 +605,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
  && !this.tcx.features().f16
  && !ident.span.allows_unstable(sym::f16)
  && finalize.is_some()
+ && innermost_result.is_none()
  {
  feature_err(
  this.tcx.sess,
@@ -618,6 +619,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
  && !this.tcx.features().f128
  && !ident.span.allows_unstable(sym::f128)
  && finalize.is_some()
+ && innermost_result.is_none()
  {
  feature_err(
  this.tcx.sess,

diff --git a/...ui/feature-gates/feature-gate-f128.stderr → ...ture-gates/feature-gate-f128.e2015.stderr b/...ui/feature-gates/feature-gate-f128.stderr → ...ture-gates/feature-gate-f128.e2015.stderr
@@ -1,5 +1,5 @@
 error[E0658]: the type `f128` is unstable
- --> $DIR/feature-gate-f128.rs:3:10
+ --> $DIR/feature-gate-f128.rs:7:10
  |
 LL | const A: f128 = 10.0;
  | ^^^^
@@ -9,7 +9,7 @@ LL | const A: f128 = 10.0;
  = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f128` is unstable
- --> $DIR/feature-gate-f128.rs:6:12
+ --> $DIR/feature-gate-f128.rs:10:12
  |
 LL | let a: f128 = 100.0;
  | ^^^^
@@ -19,7 +19,7 @@ LL | let a: f128 = 100.0;
  = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f128` is unstable
- --> $DIR/feature-gate-f128.rs:11:11
+ --> $DIR/feature-gate-f128.rs:15:11
  |
 LL | fn foo(a: f128) {}
  | ^^^^
@@ -29,7 +29,7 @@ LL | fn foo(a: f128) {}
  = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f128` is unstable
- --> $DIR/feature-gate-f128.rs:14:8
+ --> $DIR/feature-gate-f128.rs:18:8
  |
 LL | a: f128,
  | ^^^^
@@ -39,7 +39,7 @@ LL | a: f128,
  = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f128` is unstable
- --> $DIR/feature-gate-f128.rs:7:13
+ --> $DIR/feature-gate-f128.rs:11:13
  |
 LL | let b = 0.0f128;
  | ^^^^^^^

diff --git a/tests/ui/feature-gates/feature-gate-f128.e2018.stderr b/tests/ui/feature-gates/feature-gate-f128.e2018.stderr
@@ -0,0 +1,53 @@
+error[E0658]: the type `f128` is unstable
+ --> $DIR/feature-gate-f128.rs:7:10
+ |
+LL | const A: f128 = 10.0;
+ | ^^^^
+ |
+ = note: see issue #116909 <https://github.com/rust-lang/rust/issues/116909> for more information
+ = help: add `#![feature(f128)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: the type `f128` is unstable
+ --> $DIR/feature-gate-f128.rs:10:12
+ |
+LL | let a: f128 = 100.0;
+ | ^^^^
+ |
+ = note: see issue #116909 <https://github.com/rust-lang/rust/issues/116909> for more information
+ = help: add `#![feature(f128)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: the type `f128` is unstable
+ --> $DIR/feature-gate-f128.rs:15:11
+ |
+LL | fn foo(a: f128) {}
+ | ^^^^
+ |
+ = note: see issue #116909 <https://github.com/rust-lang/rust/issues/116909> for more information
+ = help: add `#![feature(f128)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: the type `f128` is unstable
+ --> $DIR/feature-gate-f128.rs:18:8
+ |
+LL | a: f128,
+ | ^^^^
+ |
+ = note: see issue #116909 <https://github.com/rust-lang/rust/issues/116909> for more information
+ = help: add `#![feature(f128)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: the type `f128` is unstable
+ --> $DIR/feature-gate-f128.rs:11:13
+ |
+LL | let b = 0.0f128;
+ | ^^^^^^^
+ |
+ = note: see issue #116909 <https://github.com/rust-lang/rust/issues/116909> for more information
+ = help: add `#![feature(f128)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error: aborting due to 5 previous errors
+
+For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/feature-gates/feature-gate-f128.rs b/tests/ui/feature-gates/feature-gate-f128.rs
@@ -1,3 +1,7 @@
+//@ revisions: e2015 e2018
+//
+//@[e2018] edition:2018
+
 #![allow(unused)]
 
 const A: f128 = 10.0; //~ ERROR the type `f128` is unstable

diff --git a/.../ui/feature-gates/feature-gate-f16.stderr → ...ature-gates/feature-gate-f16.e2015.stderr b/.../ui/feature-gates/feature-gate-f16.stderr → ...ature-gates/feature-gate-f16.e2015.stderr
@@ -1,5 +1,5 @@
 error[E0658]: the type `f16` is unstable
- --> $DIR/feature-gate-f16.rs:3:10
+ --> $DIR/feature-gate-f16.rs:7:10
  |
 LL | const A: f16 = 10.0;
  | ^^^
@@ -9,7 +9,7 @@ LL | const A: f16 = 10.0;
  = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f16` is unstable
- --> $DIR/feature-gate-f16.rs:6:12
+ --> $DIR/feature-gate-f16.rs:10:12
  |
 LL | let a: f16 = 100.0;
  | ^^^
@@ -19,7 +19,7 @@ LL | let a: f16 = 100.0;
  = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f16` is unstable
- --> $DIR/feature-gate-f16.rs:11:11
+ --> $DIR/feature-gate-f16.rs:15:11
  |
 LL | fn foo(a: f16) {}
  | ^^^
@@ -29,7 +29,7 @@ LL | fn foo(a: f16) {}
  = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f16` is unstable
- --> $DIR/feature-gate-f16.rs:14:8
+ --> $DIR/feature-gate-f16.rs:18:8
  |
 LL | a: f16,
  | ^^^
@@ -39,7 +39,7 @@ LL | a: f16,
  = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f16` is unstable
- --> $DIR/feature-gate-f16.rs:7:13
+ --> $DIR/feature-gate-f16.rs:11:13
  |
 LL | let b = 0.0f16;
  | ^^^^^^

diff --git a/tests/ui/feature-gates/feature-gate-f16.e2018.stderr b/tests/ui/feature-gates/feature-gate-f16.e2018.stderr
@@ -0,0 +1,53 @@
+error[E0658]: the type `f16` is unstable
+ --> $DIR/feature-gate-f16.rs:7:10
+ |
+LL | const A: f16 = 10.0;
+ | ^^^
+ |
+ = note: see issue #116909 <https://github.com/rust-lang/rust/issues/116909> for more information
+ = help: add `#![feature(f16)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: the type `f16` is unstable
+ --> $DIR/feature-gate-f16.rs:10:12
+ |
+LL | let a: f16 = 100.0;
+ | ^^^
+ |
+ = note: see issue #116909 <https://github.com/rust-lang/rust/issues/116909> for more information
+ = help: add `#![feature(f16)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: the type `f16` is unstable
+ --> $DIR/feature-gate-f16.rs:15:11
+ |
+LL | fn foo(a: f16) {}
+ | ^^^
+ |
+ = note: see issue #116909 <https://github.com/rust-lang/rust/issues/116909> for more information
+ = help: add `#![feature(f16)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: the type `f16` is unstable
+ --> $DIR/feature-gate-f16.rs:18:8
+ |
+LL | a: f16,
+ | ^^^
+ |
+ = note: see issue #116909 <https://github.com/rust-lang/rust/issues/116909> for more information
+ = help: add `#![feature(f16)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error[E0658]: the type `f16` is unstable
+ --> $DIR/feature-gate-f16.rs:11:13
+ |
+LL | let b = 0.0f16;
+ | ^^^^^^
+ |
+ = note: see issue #116909 <https://github.com/rust-lang/rust/issues/116909> for more information
+ = help: add `#![feature(f16)]` to the crate attributes to enable
+ = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error: aborting due to 5 previous errors
+
+For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/feature-gates/feature-gate-f16.rs b/tests/ui/feature-gates/feature-gate-f16.rs
@@ -1,3 +1,7 @@
+//@ revisions: e2015 e2018
+//
+//@[e2018] edition:2018
+
 #![allow(unused)]
 
 const A: f16 = 10.0; //~ ERROR the type `f16` is unstable

diff --git a/tests/ui/resolve/primitive-f16-f128-shadowed-mod.rs b/tests/ui/resolve/primitive-f16-f128-shadowed-mod.rs
@@ -0,0 +1,19 @@
+//@ compile-flags: --crate-type=lib
+//@ check-pass
+//@ revisions: e2015 e2018
+//
+//@[e2018] edition:2018
+
+// Verify that gates for the `f16` and `f128` features do not apply to user modules
+// See <https://github.com/rust-lang/rust/issues/123282>
+
+mod f16 {
+ pub fn a16() {}
+}
+
+mod f128 {
+ pub fn a128() {}
+}
+
+pub use f128::a128;
+pub use f16::a16;
diff --git a/tests/ui/resolve/primitive-f16-f128-shadowed.rs b/tests/ui/resolve/primitive-f16-f128-shadowed.rs
@@ -1,5 +1,8 @@
 //@ compile-flags: --crate-type=lib
 //@ check-pass
+//@ revisions: e2015 e2018
+//
+//@[e2018] edition:2018
 
 // Verify that gates for the `f16` and `f128` features do not apply to user types