diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/ptr_ops | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/ptr_ops')
-rw-r--r-- | tests/ui/ptr_ops/issue-80309-safe.rs | 16 | ||||
-rw-r--r-- | tests/ui/ptr_ops/issue-80309.rs | 13 |
2 files changed, 29 insertions, 0 deletions
diff --git a/tests/ui/ptr_ops/issue-80309-safe.rs b/tests/ui/ptr_ops/issue-80309-safe.rs new file mode 100644 index 000000000..8a4ff1669 --- /dev/null +++ b/tests/ui/ptr_ops/issue-80309-safe.rs @@ -0,0 +1,16 @@ +// run-pass +// 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)); +} diff --git a/tests/ui/ptr_ops/issue-80309.rs b/tests/ui/ptr_ops/issue-80309.rs new file mode 100644 index 000000000..c13ce3c9c --- /dev/null +++ b/tests/ui/ptr_ops/issue-80309.rs @@ -0,0 +1,13 @@ +// run-pass +// compile-flags: -O + +// Regression test for issue #80309 + +pub unsafe fn foo(x: *const i8) -> i8 { + *x.wrapping_sub(x as _).wrapping_add(x as _) +} + +fn main() { + let x = 42; + println!("{}", unsafe { foo(&x) }); +} |