Fix build breakage on 32-bit machines
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@361917 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/typeinfo b/include/typeinfo
index 5d2f03e..2760176 100644
--- a/include/typeinfo
+++ b/include/typeinfo
@@ -237,7 +237,10 @@
}
private:
- typedef std::integral_constant<__type_name_t, (1ULL << 63)> __non_unique_rtti_bit;
+ // The unique bit is the top bit. It is expected that __type_name_t is 64 bits when
+ // this implementation is actually used.
+ typedef std::integral_constant<__type_name_t,
+ (1ULL << ((__CHAR_BIT__ * sizeof(__type_name_t)) - 1))> __non_unique_rtti_bit;
_LIBCPP_INLINE_VISIBILITY
static bool __is_type_name_unique(__type_name_t __lhs) _NOEXCEPT {
