re PR c/71583 (ICE on invalid code on x86_64-linux-gnu (in…

re PR c/71583 (ICE on invalid code on x86_64-linux-gnu (in c_parser_postfix_expression_after_paren_type, at c/c-parser.c:8192))

	PR c/71583
	* c-parser.c (c_parser_postfix_expression_after_paren_type): Also
	check expr.value.

	* gcc.dg/noncompile/pr71583.c: New test.

From-SVN: r238861

gcc/c/ChangeLog

+2016-07-29  Marek Polacek  <polacek@redhat.com>
+
+	PR c/71583
+	* c-parser.c (c_parser_postfix_expression_after_paren_type): Also
+	check expr.value.
+
 2016-07-22  Uros Bizjak  <ubizjak@gmail.com>
 
 	* c-typeck.c: Use HOST_WIDE_INT_1 instead of (HOST_WIDE_INT) 1,

gcc/c/c-parser.c

@@ -8232,7 +8232,9 @@ c_parser_postfix_expression_after_paren_type (c_parser *parser,
   set_c_expr_source_range (&expr, init.src_range);
   expr.original_code = ERROR_MARK;
   expr.original_type = NULL;
-  if (type != error_mark_node && type_expr)
+  if (type != error_mark_node
+      && expr.value != error_mark_node
+      && type_expr)
     {
       if (TREE_CODE (expr.value) == C_MAYBE_CONST_EXPR)
 	{

gcc/testsuite/ChangeLog

@@ -3,6 +3,9 @@
 	PR c/71574
 	* c-c++-common/pr71574.c: New test.
 
+	PR c/71583
+	* gcc.dg/noncompile/pr71583.c: New test.
+
 2016-07-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
 
 	PR middle-end/68217

gcc/testsuite/gcc.dg/noncompile/pr71583.c

+/* PR c/71583 */
+/* { dg-do compile } */
+
+void
+f (int i)
+{
+  (int (*)[++i]) { int }; /* { dg-error "expected" } */
+  (int (*)[++i]) { }; /* { dg-error "empty" } */
+  (int (*)[++i]) { , }; /* { dg-error "expected" } */
+  (int (*)[++i]) { f () }; /* { dg-error "too few" } */
+}