From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- ...osure-malformed-projection-input-issue-102800.rs | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 tests/ui/nll/closure-malformed-projection-input-issue-102800.rs (limited to 'tests/ui/nll/closure-malformed-projection-input-issue-102800.rs') diff --git a/tests/ui/nll/closure-malformed-projection-input-issue-102800.rs b/tests/ui/nll/closure-malformed-projection-input-issue-102800.rs new file mode 100644 index 000000000..260c16c17 --- /dev/null +++ b/tests/ui/nll/closure-malformed-projection-input-issue-102800.rs @@ -0,0 +1,21 @@ +// Regression test for #102800 +// +// Here we are generating higher-ranked region constraints when normalizing and relating closure +// input types. Previously this was an ICE in the error path because we didn't register enough +// diagnostic information to render the higher-ranked subtyping error. + +// check-fail + +trait Trait { + type Ty; +} + +impl Trait for &'static () { + type Ty = (); +} + +fn main() { + let _: for<'a> fn(<&'a () as Trait>::Ty) = |_| {}; + //~^ ERROR implementation of `Trait` is not general enough + //~| ERROR implementation of `Trait` is not general enough +} -- cgit v1.2.3