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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:21 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:21 +0000 |
commit | 4e8199b572f2035b7749cba276ece3a26630d23e (patch) | |
tree | f09feeed6a0fe39d027b1908aa63ea6b35e4b631 /src/test/mir-opt/issue_41110.rs | |
parent | Adding upstream version 1.66.0+dfsg1. (diff) | |
download | rustc-4e8199b572f2035b7749cba276ece3a26630d23e.tar.xz rustc-4e8199b572f2035b7749cba276ece3a26630d23e.zip |
Adding upstream version 1.67.1+dfsg1.upstream/1.67.1+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/mir-opt/issue_41110.rs')
-rw-r--r-- | src/test/mir-opt/issue_41110.rs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/mir-opt/issue_41110.rs b/src/test/mir-opt/issue_41110.rs new file mode 100644 index 000000000..638dc601e --- /dev/null +++ b/src/test/mir-opt/issue_41110.rs @@ -0,0 +1,30 @@ +// ignore-wasm32-bare compiled with panic=abort by default + +// check that we don't emit multiple drop flags when they are not needed. + + +// EMIT_MIR issue_41110.main.ElaborateDrops.after.mir +fn main() { + let x = S.other(S.id()); +} + +// no_mangle to make sure this gets instantiated even in an executable. +#[no_mangle] +// EMIT_MIR issue_41110.test.ElaborateDrops.after.mir +pub fn test() { + let u = S; + let mut v = S; + drop(v); + v = u; +} + +struct S; +impl Drop for S { + fn drop(&mut self) { + } +} + +impl S { + fn id(self) -> Self { self } + fn other(self, s: Self) {} +} |