From a4b7ed7a42c716ab9f05e351f003d589124fd55d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:18:58 +0200 Subject: Adding upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/issues/issue-34349.rs | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 tests/ui/issues/issue-34349.rs (limited to 'tests/ui/issues/issue-34349.rs') diff --git a/tests/ui/issues/issue-34349.rs b/tests/ui/issues/issue-34349.rs new file mode 100644 index 000000000..d86180261 --- /dev/null +++ b/tests/ui/issues/issue-34349.rs @@ -0,0 +1,22 @@ +// This is a regression test for a problem encountered around upvar +// inference and trait caching: in particular, we were entering a +// temporary closure kind during inference, and then caching results +// based on that temporary kind, which led to no error being reported +// in this particular test. + +fn main() { + let inc = || {}; + inc(); + + fn apply(f: F) where F: Fn() { + f() + } + + let mut farewell = "goodbye".to_owned(); + let diary = || { //~ ERROR E0525 + farewell.push_str("!!!"); + println!("Then I screamed {}.", farewell); + }; + + apply(diary); +} -- cgit v1.2.3