diff options
Diffstat (limited to 'src/test/ui/typeck/project-cache-issue-37154.rs')
-rw-r--r-- | src/test/ui/typeck/project-cache-issue-37154.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/typeck/project-cache-issue-37154.rs b/src/test/ui/typeck/project-cache-issue-37154.rs new file mode 100644 index 000000000..b10239c22 --- /dev/null +++ b/src/test/ui/typeck/project-cache-issue-37154.rs @@ -0,0 +1,21 @@ +// run-pass + +#![allow(dead_code)] +// Regression test for #37154: the problem here was that the cache +// results in a false error because it was caching placeholder results +// even after those placeholder regions had been popped. + +trait Foo { + fn method(&self) {} +} + +struct Wrapper<T>(T); + +impl<T> Foo for Wrapper<T> where for<'a> &'a T: IntoIterator<Item=&'a ()> {} + +fn f(x: Wrapper<Vec<()>>) { + x.method(); // This works. + x.method(); // error: no method named `method` +} + +fn main() { } |