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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/borrowck/promote-ref-mut-in-let-issue-46557.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/borrowck/promote-ref-mut-in-let-issue-46557.rs')
-rw-r--r-- | src/test/ui/borrowck/promote-ref-mut-in-let-issue-46557.rs | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/promote-ref-mut-in-let-issue-46557.rs b/src/test/ui/borrowck/promote-ref-mut-in-let-issue-46557.rs new file mode 100644 index 000000000..3576734de --- /dev/null +++ b/src/test/ui/borrowck/promote-ref-mut-in-let-issue-46557.rs @@ -0,0 +1,31 @@ +// Test that we fail to promote the constant here which has a `ref +// mut` borrow. + +fn gimme_static_mut_let() -> &'static mut u32 { + let ref mut x = 1234543; + x //~ ERROR +} + +fn gimme_static_mut_let_nested() -> &'static mut u32 { + let (ref mut x, ) = (1234543, ); + x //~ ERROR +} + +fn gimme_static_mut_match() -> &'static mut u32 { + match 1234543 { //~ ERROR + ref mut x => x + } +} + +fn gimme_static_mut_match_nested() -> &'static mut u32 { + match (123443,) { //~ ERROR + (ref mut x,) => x, + } +} + +fn gimme_static_mut_ampersand() -> &'static mut u32 { + &mut 1234543 //~ ERROR +} + +fn main() { +} |