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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/type-alias-impl-trait/self_implication.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/type-alias-impl-trait/self_implication.rs')
-rw-r--r-- | tests/ui/type-alias-impl-trait/self_implication.rs | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/tests/ui/type-alias-impl-trait/self_implication.rs b/tests/ui/type-alias-impl-trait/self_implication.rs new file mode 100644 index 000000000..4e805ee30 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/self_implication.rs @@ -0,0 +1,38 @@ +// check-pass + +#![feature(type_alias_impl_trait)] +fn foo() { + struct Foo<'a> { + x: &'a mut u8, + } + impl<'a> Foo<'a> { + fn foo(&self) -> impl Sized {} + } + // use site + let mut x = 5; + let y = Foo { x: &mut x }; + let z = y.foo(); + let _a = &x; // invalidate the `&'a mut`in `y` + let _b = z; // this should *not* check that `'a` in the type `Foo<'a>::foo::opaque` is live +} + +fn bar() { + struct Foo<'a> { + x: &'a mut u8, + } + + // desugared + type FooX<'a> = impl Sized; + impl<'a> Foo<'a> { + fn foo(&self) -> FooX<'a> {} + } + + // use site + let mut x = 5; + let y = Foo { x: &mut x }; + let z = y.foo(); + let _a = &x; // invalidate the `&'a mut`in `y` + let _b = z; // this should *not* check that `'a` in the type `Foo<'a>::foo::opaque` is live +} + +fn main() {} |