Add UBSAN annotation to __hash_table::rehash; we don't do anything wrong, but UBSAN's checker flags it as suspicious. See PR38606. NFC

llvm-svn: 353448
2019-02-07 18:53:58 +00:00 · 2019-02-07 18:53:58 +00:00 · 954966c1af
parent 397c51b655
commit 954966c1af
1 changed files with 1 additions and 0 deletions
--- a/libcxx/include/__hash_table
+++ b/libcxx/include/__hash_table
@ -2371,6 +2371,7 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__node_handle_merge_multi(
 template <class _Tp, class _Hash, class _Equal, class _Alloc>
 void
 __hash_table<_Tp, _Hash, _Equal, _Alloc>::rehash(size_type __n)
+_LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
 {
    if (__n == 1)
        __n = 2;