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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:20:39 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:20:39 +0000 |
commit | 1376c5a617be5c25655d0d7cb63e3beaa5a6e026 (patch) | |
tree | 3bb8d61aee02bc7a15eab3f36e3b921afc2075d0 /tests/run-make/intrinsic-unreachable/exit-ret.rs | |
parent | Releasing progress-linux version 1.69.0+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-1376c5a617be5c25655d0d7cb63e3beaa5a6e026.tar.xz rustc-1376c5a617be5c25655d0d7cb63e3beaa5a6e026.zip |
Merging upstream version 1.70.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/run-make/intrinsic-unreachable/exit-ret.rs')
-rw-r--r-- | tests/run-make/intrinsic-unreachable/exit-ret.rs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/run-make/intrinsic-unreachable/exit-ret.rs b/tests/run-make/intrinsic-unreachable/exit-ret.rs new file mode 100644 index 000000000..e7b9694d9 --- /dev/null +++ b/tests/run-make/intrinsic-unreachable/exit-ret.rs @@ -0,0 +1,14 @@ +#![crate_type="lib"] +use std::arch::asm; + +#[deny(unreachable_code)] +pub fn exit(n: usize) -> i32 { + unsafe { + // Pretend this asm is an exit() syscall. + asm!("/*{0}*/", in(reg) n); + } + // This return value is just here to generate some extra code for a return + // value, making it easier for the test script to detect whether the + // compiler deleted it. + 42 +} |