[libcxx-commits] [libcxx] [libc++] Fix bogus integer sanitizer warnings in hash helpers (PR #146715)

[Jean-Michaël Celerier via libcxx-commits]

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@@ -132,11 +132,12 @@ struct __murmur2_or_cityhash<_Size, 64> {
   static const _Size __k2 = 0x9ae16a3b2f90404fULL;
   static const _Size __k3 = 0xc949d7c7509e6557ULL;
 
-  _LIBCPP_HIDE_FROM_ABI static _Size __rotate(_Size __val, int __shift) {
+  _LIBCPP_HIDE_FROM_ABI static _Size _LIBCPP_DISABLE_UBSAN_INTEGER_CHECK __rotate(_Size __val, int __shift) {
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jcelerier wrote:

done!

https://github.com/llvm/llvm-project/pull/146715