From: Marek Polacek <polacek@redhat.com>
Date: Wed, 8 Jun 2016 06:41:55 +0000 (+0000)
Subject: re PR c/71426 (gcc ICE on x86_64-linux-gnu in get_parm_info, at c/c-decl.c:7059)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=08203f73d119a1f01c2b604ba445ef29bdb1b410;p=gcc.git

re PR c/71426 (gcc ICE on x86_64-linux-gnu in get_parm_info, at c/c-decl.c:7059)

	PR c/71426
	* c-decl.c (get_parm_info): Don't crash on an assert on invalid
	code.

	* gcc.dg/noncompile/pr71426.c: New test.

From-SVN: r237196
---

diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index 8617f08f978..9f0b91afb6a 100644
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -3,6 +3,10 @@
 	PR c/71418
 	* c-decl.c (grokdeclarator): Check TYPE_P.
 
+	PR c/71426
+	* c-decl.c (get_parm_info): Don't crash on an assert on invalid
+	code.
+
 2016-06-07  David Malcolm  <dmalcolm@redhat.com>
 
 	* c-parser.c (c_parser_postfix_expression): In __builtin_offsetof
diff --git a/gcc/c/c-decl.c b/gcc/c/c-decl.c
index ac83e2fa519..5c08c5947c0 100644
--- a/gcc/c/c-decl.c
+++ b/gcc/c/c-decl.c
@@ -7054,9 +7054,9 @@ get_parm_info (bool ellipsis, tree expr)
 	  break;
 
 	case FUNCTION_DECL:
-	  /*  FUNCTION_DECLs appear when there is an implicit function
-	      declaration in the parameter list.  */
-	  gcc_assert (b->nested);
+	  /* FUNCTION_DECLs appear when there is an implicit function
+	     declaration in the parameter list.  */
+	  gcc_assert (b->nested || seen_error ());
 	  goto set_shadowed;
 
 	case CONST_DECL:
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 607f21c3329..0177653452b 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -3,6 +3,9 @@
 	PR c/71418
 	* gcc.dg/noncompile/pr71418.c: New test.
 
+	PR c/71426
+	* gcc.dg/noncompile/pr71426.c: New test.
+
 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
 
 	* gcc.dg/ipa/inlinehint-4.c: Disable partial inlining.
diff --git a/gcc/testsuite/gcc.dg/noncompile/pr71426.c b/gcc/testsuite/gcc.dg/noncompile/pr71426.c
new file mode 100644
index 00000000000..874e18976e9
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/noncompile/pr71426.c
@@ -0,0 +1,5 @@
+/* PR c/71426 */
+/* { dg-do compile } */
+/* { dg-options "-w" } */
+
+int f (int x[x - x ()]); /* { dg-error "undeclared" } */