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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/asm/type-check-4.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/asm/type-check-4.rs')
-rw-r--r-- | src/test/ui/asm/type-check-4.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/ui/asm/type-check-4.rs b/src/test/ui/asm/type-check-4.rs new file mode 100644 index 000000000..666d2c677 --- /dev/null +++ b/src/test/ui/asm/type-check-4.rs @@ -0,0 +1,26 @@ +// needs-asm-support +// ignore-nvptx64 +// ignore-spirv +// ignore-wasm32 + +use std::arch::asm; + +fn main() { + unsafe { + // Can't output to borrowed values. + + let mut a = 0isize; + let p = &a; + asm!("{}", out(reg) a); + //~^ cannot assign to `a` because it is borrowed + println!("{}", p); + + // Can't read from mutable borrowed values. + + let mut a = 0isize; + let p = &mut a; + asm!("{}", in(reg) a); + //~^ cannot use `a` because it was mutably borrowed + println!("{}", p); + } +} |