diff options
Diffstat (limited to 'src/test/ui/ptr_ops/issue-80309-safe.rs')
-rw-r--r-- | src/test/ui/ptr_ops/issue-80309-safe.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/ui/ptr_ops/issue-80309-safe.rs b/src/test/ui/ptr_ops/issue-80309-safe.rs new file mode 100644 index 000000000..f7513b6b8 --- /dev/null +++ b/src/test/ui/ptr_ops/issue-80309-safe.rs @@ -0,0 +1,17 @@ +// run-pass +// min-llvm-version: 13.0 +// compile-flags: -O + +// Regression test for issue #80309 + +pub fn zero(x: usize) -> usize { + std::ptr::null::<i8>().wrapping_add(x) as usize - x +} +pub fn qux(x: &[i8]) -> i8 { + x[zero(x.as_ptr() as usize)] +} + +fn main() { + let z = vec![42, 43]; + println!("{}", qux(&z)); +} |