https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111884
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
CC| |mpolacek at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Thanks, I can test
--- a/gcc/c-family/c-common.cc
+++ b/gcc/c-family/c-common.cc
@@ -3828,8 +3828,9 @@ c_common_get_alias_set (tree t)
if (!TYPE_P (t))
return -1;
- /* Unlike char, char8_t doesn't alias. */
- if (flag_char8_t && t == char8_type_node)
+ /* Unlike char, char8_t doesn't alias in C++. (In C, char8_t is not
+ a distinct type.) */
+ if (flag_char8_t && t == char8_type_node && c_dialect_cxx ())
return -1;
/* The C standard guarantees that any object may be accessed via an
