From a5b5c8b62494c0089bfc60ad5dfeae4e7f4c6690 Mon Sep 17 00:00:00 2001
From: Marek Polacek <polacek@redhat.com>
Date: Fri, 29 Jul 2016 11:48:36 +0000
Subject: [PATCH] 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                           |  6 ++++++
 gcc/c/c-parser.c                          |  4 +++-
 gcc/testsuite/ChangeLog                   |  3 +++
 gcc/testsuite/gcc.dg/noncompile/pr71583.c | 11 +++++++++++
 4 files changed, 23 insertions(+), 1 deletion(-)
 create mode 100644 gcc/testsuite/gcc.dg/noncompile/pr71583.c

diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index b1c42ff4ca5..a47b8a3b5ed 100644
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -1,3 +1,9 @@
+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,
diff --git a/gcc/c/c-parser.c b/gcc/c/c-parser.c
index 8952bca363a..a86cae29940 100644
--- a/gcc/c/c-parser.c
+++ b/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)
 	{
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 9960fb0c4ac..c1df9e98b1a 100644
--- a/gcc/testsuite/ChangeLog
+++ b/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
diff --git a/gcc/testsuite/gcc.dg/noncompile/pr71583.c b/gcc/testsuite/gcc.dg/noncompile/pr71583.c
new file mode 100644
index 00000000000..5045b88b6af
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/noncompile/pr71583.c
@@ -0,0 +1,11 @@
+/* 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" } */
+}