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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/issues/issue-41498.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/issues/issue-41498.rs')
-rw-r--r-- | src/test/ui/issues/issue-41498.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-41498.rs b/src/test/ui/issues/issue-41498.rs new file mode 100644 index 000000000..ad918ecdd --- /dev/null +++ b/src/test/ui/issues/issue-41498.rs @@ -0,0 +1,17 @@ +// run-pass +// regression test for issue #41498. + +struct S; +impl S { + fn mutate(&mut self) {} +} + +fn call_and_ref<T, F: FnOnce() -> T>(x: &mut Option<T>, f: F) -> &mut T { + *x = Some(f()); + x.as_mut().unwrap() +} + +fn main() { + let mut n = None; + call_and_ref(&mut n, || [S])[0].mutate(); +} |