diff options
Diffstat (limited to 'tests/ui/traits/alias/issue-107747-do-not-assemble-supertraits.rs')
-rw-r--r-- | tests/ui/traits/alias/issue-107747-do-not-assemble-supertraits.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/traits/alias/issue-107747-do-not-assemble-supertraits.rs b/tests/ui/traits/alias/issue-107747-do-not-assemble-supertraits.rs new file mode 100644 index 000000000..9b41a8096 --- /dev/null +++ b/tests/ui/traits/alias/issue-107747-do-not-assemble-supertraits.rs @@ -0,0 +1,21 @@ +// Regression test for #107747: methods from trait alias supertraits were brought into scope +// +// check-pass + +#![feature(trait_alias)] + +use std::fmt; + +trait Foo: fmt::Debug {} +trait Bar = Foo; + +#[derive(Debug)] +struct Qux(bool); + +impl fmt::Display for Qux { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + self.0.fmt(f) + } +} + +fn main() {} |