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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
commit | a4b7ed7a42c716ab9f05e351f003d589124fd55d (patch) | |
tree | b620cd3f223850b28716e474e80c58059dca5dd4 /tests/ui/consts/issue-63952.rs | |
parent | Adding upstream version 1.67.1+dfsg1. (diff) | |
download | rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip |
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/consts/issue-63952.rs')
-rw-r--r-- | tests/ui/consts/issue-63952.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/ui/consts/issue-63952.rs b/tests/ui/consts/issue-63952.rs new file mode 100644 index 000000000..5c83e6f45 --- /dev/null +++ b/tests/ui/consts/issue-63952.rs @@ -0,0 +1,27 @@ +// Regression test for #63952, shouldn't hang. +// stderr-per-bitwidth + +#[repr(C)] +#[derive(Copy, Clone)] +struct SliceRepr { + ptr: *const u8, + len: usize, +} + +union SliceTransmute { + repr: SliceRepr, + slice: &'static [u8], +} + +// bad slice: length too big to even exist anywhere +const SLICE_WAY_TOO_LONG: &[u8] = unsafe { //~ ERROR: it is undefined behavior to use this value + SliceTransmute { + repr: SliceRepr { + ptr: &42, + len: usize::MAX, + }, + } + .slice +}; + +fn main() {} |