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c: support the attribute starting with '_'

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PR c/107156

gcc/ChangeLog:

	* attribs.h (lookup_attribute_by_prefix): Support the attribute
	starting with underscore (_Noreturn).
This commit is contained in:
Martin Liska 2022-10-05 12:34:30 +02:00
parent dc70f3f81b
commit 0afa9dfb8f
1 changed files with 2 additions and 2 deletions

4
gcc/attribs.h

@ -274,8 +274,8 @@ lookup_attribute_by_prefix (const char *attr_name, tree list)
}
const char *p = IDENTIFIER_POINTER (name);
gcc_checking_assert (attr_len == 0 || p[0] != '_');
gcc_checking_assert (attr_len == 0 || p[0] != '_'
|| (ident_len > 1 && p[1] != '_'));
if (strncmp (attr_name, p, attr_len) == 0)
break;