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| author | León Orell Valerian Liehr <me@fmease.dev> | 2025-06-18 22:10:53 +0200 |
|---|---|---|
| committer | León Orell Valerian Liehr <me@fmease.dev> | 2025-07-18 03:13:21 +0200 |
| commit | 1df99f22d3a1776b36fc00fc35626fd841f7242f (patch) | |
| tree | ee1b70a04b8964d3fa16f7bac12265e4f317026b /tests/ui/unsized | |
| parent | 9788f59bbf893965db98dc633e64e4405414b698 (diff) | |
| download | rust-1df99f22d3a1776b36fc00fc35626fd841f7242f.tar.gz rust-1df99f22d3a1776b36fc00fc35626fd841f7242f.zip | |
AST lowering: More robustly deal with relaxed bounds
Diffstat (limited to 'tests/ui/unsized')
| -rw-r--r-- | tests/ui/unsized/relaxed-bounds-invalid-places.rs (renamed from tests/ui/unsized/maybe-bounds-where.rs) | 3 | ||||
| -rw-r--r-- | tests/ui/unsized/relaxed-bounds-invalid-places.stderr (renamed from tests/ui/unsized/maybe-bounds-where.stderr) | 16 |
2 files changed, 11 insertions, 8 deletions
diff --git a/tests/ui/unsized/maybe-bounds-where.rs b/tests/ui/unsized/relaxed-bounds-invalid-places.rs index 4c4141631a7..ce3f35608be 100644 --- a/tests/ui/unsized/maybe-bounds-where.rs +++ b/tests/ui/unsized/relaxed-bounds-invalid-places.rs @@ -1,3 +1,6 @@ +// Test that relaxed bounds can only be placed on type parameters defined by the closest item +// (ignoring relaxed bounds inside `impl Trait` and in associated type defs here). + struct S1<T>(T) where (T): ?Sized; //~^ ERROR `?Trait` bounds are only permitted at the point where a type parameter is declared diff --git a/tests/ui/unsized/maybe-bounds-where.stderr b/tests/ui/unsized/relaxed-bounds-invalid-places.stderr index fb6d37c2966..3287eb8d1e9 100644 --- a/tests/ui/unsized/maybe-bounds-where.stderr +++ b/tests/ui/unsized/relaxed-bounds-invalid-places.stderr @@ -1,5 +1,5 @@ error[E0658]: `?Trait` bounds are only permitted at the point where a type parameter is declared - --> $DIR/maybe-bounds-where.rs:1:28 + --> $DIR/relaxed-bounds-invalid-places.rs:4:28 | LL | struct S1<T>(T) where (T): ?Sized; | ^^^^^^ @@ -8,7 +8,7 @@ LL | struct S1<T>(T) where (T): ?Sized; = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: `?Trait` bounds are only permitted at the point where a type parameter is declared - --> $DIR/maybe-bounds-where.rs:4:27 + --> $DIR/relaxed-bounds-invalid-places.rs:7:27 | LL | struct S2<T>(T) where u8: ?Sized; | ^^^^^^ @@ -17,7 +17,7 @@ LL | struct S2<T>(T) where u8: ?Sized; = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: `?Trait` bounds are only permitted at the point where a type parameter is declared - --> $DIR/maybe-bounds-where.rs:7:35 + --> $DIR/relaxed-bounds-invalid-places.rs:10:35 | LL | struct S3<T>(T) where &'static T: ?Sized; | ^^^^^^ @@ -26,7 +26,7 @@ LL | struct S3<T>(T) where &'static T: ?Sized; = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: `?Trait` bounds are only permitted at the point where a type parameter is declared - --> $DIR/maybe-bounds-where.rs:12:34 + --> $DIR/relaxed-bounds-invalid-places.rs:15:34 | LL | struct S4<T>(T) where for<'a> T: ?Trait<'a>; | ^^^^^^^^^^ @@ -35,7 +35,7 @@ LL | struct S4<T>(T) where for<'a> T: ?Trait<'a>; = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: `?Trait` bounds are only permitted at the point where a type parameter is declared - --> $DIR/maybe-bounds-where.rs:21:21 + --> $DIR/relaxed-bounds-invalid-places.rs:24:21 | LL | fn f() where T: ?Sized {} | ^^^^^^ @@ -44,13 +44,13 @@ LL | fn f() where T: ?Sized {} = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error: relaxing a default bound only does something for `?Sized`; all other traits are not bound by default - --> $DIR/maybe-bounds-where.rs:12:34 + --> $DIR/relaxed-bounds-invalid-places.rs:15:34 | LL | struct S4<T>(T) where for<'a> T: ?Trait<'a>; | ^^^^^^^^^^ error[E0203]: type parameter has more than one relaxed default bound, only one is supported - --> $DIR/maybe-bounds-where.rs:16:33 + --> $DIR/relaxed-bounds-invalid-places.rs:19:33 | LL | struct S5<T>(*const T) where T: ?Trait<'static> + ?Sized; | ^^^^^^^^^^^^^^^ ^^^^^^ @@ -59,7 +59,7 @@ LL | struct S5<T>(*const T) where T: ?Trait<'static> + ?Sized; = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error: relaxing a default bound only does something for `?Sized`; all other traits are not bound by default - --> $DIR/maybe-bounds-where.rs:16:33 + --> $DIR/relaxed-bounds-invalid-places.rs:19:33 | LL | struct S5<T>(*const T) where T: ?Trait<'static> + ?Sized; | ^^^^^^^^^^^^^^^ |