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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/codegen/mir_zst_stores.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/codegen/mir_zst_stores.rs')
-rw-r--r-- | tests/codegen/mir_zst_stores.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/codegen/mir_zst_stores.rs b/tests/codegen/mir_zst_stores.rs new file mode 100644 index 000000000..17e7ba309 --- /dev/null +++ b/tests/codegen/mir_zst_stores.rs @@ -0,0 +1,17 @@ +// compile-flags: -C no-prepopulate-passes + +#![crate_type = "lib"] +use std::marker::PhantomData; + +#[derive(Copy, Clone)] +struct Zst { phantom: PhantomData<Zst> } + +// CHECK-LABEL: @mir +// CHECK-NOT: store{{.*}}undef +#[no_mangle] +pub fn mir() { + let x = Zst { phantom: PhantomData }; + let y = (x, 0); + drop(y); + drop((0, x)); +} |