@@ -4550,6 +4550,7 @@ c_common_nodes_and_builtins (void)
if (c_dialect_cxx ())
{
char8_type_node = make_unsigned_type (char8_type_size);
+ TYPE_STRING_FLAG (char8_type_node) = true;
if (flag_char8_t)
record_builtin_type (RID_CHAR8, "char8_t", char8_type_node);
@@ -9343,12 +9344,15 @@ braced_list_to_string (tree type, tree ctor, bool member)
if (!member && !tree_fits_uhwi_p (typesize))
return ctor;
- /* If the target char size differes from the host char size, we'd risk
+ /* If the target char size differs from the host char size, we'd risk
loosing data and getting object sizes wrong by converting to
host chars. */
if (TYPE_PRECISION (char_type_node) != CHAR_BIT)
return ctor;
+ /* STRING_CST doesn't support wide characters. */
+ gcc_checking_assert (TYPE_PRECISION (TREE_TYPE (type)) == CHAR_BIT);
+
/* If the array has an explicit bound, use it to constrain the size
of the string. If it doesn't, be sure to create a string that's
as long as implied by the index of the last zero specified via