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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/generator/addassign-yield.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/generator/addassign-yield.rs')
-rw-r--r-- | src/test/ui/generator/addassign-yield.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/test/ui/generator/addassign-yield.rs b/src/test/ui/generator/addassign-yield.rs new file mode 100644 index 000000000..66f22bf31 --- /dev/null +++ b/src/test/ui/generator/addassign-yield.rs @@ -0,0 +1,35 @@ +// run-pass +// Regression test for broken MIR error (#61442) +// Due to the two possible evaluation orders for +// a '+=' expression (depending on whether or not the 'AddAssign' trait +// is being used), we were failing to account for all types that might +// possibly be live across a yield point. + +#![feature(generators)] + +fn foo() { + let _x = static || { + let mut s = String::new(); + s += { yield; "" }; + }; + + let _y = static || { + let x = &mut 0; + *{ yield; x } += match String::new() { _ => 0 }; + }; + + // Please don't ever actually write something like this + let _z = static || { + let x = &mut 0; + *{ + let inner = &mut 1; + *{ yield (); inner } += match String::new() { _ => 1}; + yield; + x + } += match String::new() { _ => 2 }; + }; +} + +fn main() { + foo() +} |