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[Bug c/51321] __builtin_types_compatible_p (any_type_t[1][], any_other_type_t) crashes GCC
- From: "pinskia at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 29 Nov 2011 05:28:24 +0000
- Subject: [Bug c/51321] __builtin_types_compatible_p (any_type_t[1][], any_other_type_t) crashes GCC
- Auto-submitted: auto-generated
- References: <bug-51321-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51321
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
AssignedTo|unassigned at gcc dot |pinskia at gcc dot gnu.org
|gnu.org |
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-11-29 05:28:24 UTC ---
Semi-obvious patch:
Index: c-parser.c
===================================================================
--- c-parser.c (revision 181796)
+++ c-parser.c (working copy)
@@ -6568,9 +6568,16 @@ c_parser_postfix_expression (c_parser *p
"expected %<)%>");
{
tree e1, e2;
+ e1 = groktypename (t1, NULL, NULL);
+ e2 = groktypename (t2, NULL, NULL);
+ if (e1 == error_mark_node || e2 == error_mark_node)
+ {
+ expr.value = error_mark_node;
+ break;
+ }
- e1 = TYPE_MAIN_VARIANT (groktypename (t1, NULL, NULL));
- e2 = TYPE_MAIN_VARIANT (groktypename (t2, NULL, NULL));
+ e1 = TYPE_MAIN_VARIANT (e1);
+ e2 = TYPE_MAIN_VARIANT (e2);
expr.value
= comptypes (e1, e2) ? integer_one_node : integer_zero_node;