re PR c/71266 (gcc ICE on x86_64-linux-gnu in "store_parm_decls_oldstyle")

	PR c/71266
	* c-decl.c (store_parm_decls_oldstyle): Skip non-PARM_DECLs.

	* gcc.dg/noncompile/old-style-parm-3.c: New test.

From-SVN: r236708

gcc/c/ChangeLog

@@ -3,6 +3,9 @@
 	PR c/71265
 	* c-decl.c (c_make_fname_decl): Don't check seen_error.
 
+	PR c/71266
+	* c-decl.c (store_parm_decls_oldstyle): Skip non-PARM_DECLs.
+
 2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>
 
 	* c-parser.c (c_parser_oacc_declare): Add support for

gcc/c/c-decl.c

@@ -8605,8 +8605,11 @@ store_parm_decls_oldstyle (tree fndecl, const struct c_arg_info *arg_info)
 	    continue;
 	  /* If we got something other than a PARM_DECL it is an error.  */
 	  if (TREE_CODE (decl) != PARM_DECL)
-	    error_at (DECL_SOURCE_LOCATION (decl),
-		      "%qD declared as a non-parameter", decl);
+	    {
+	      error_at (DECL_SOURCE_LOCATION (decl),
+			"%qD declared as a non-parameter", decl);
+	      continue;
+	    }
 	  /* If the declaration is already marked, we have a duplicate
 	     name.  Complain and ignore the duplicate.  */
 	  else if (seen_args.contains (decl))

gcc/testsuite/ChangeLog

@@ -3,6 +3,9 @@
 	PR c/71265
 	* gcc.dg/noncompile/pr71265.c: New test.
 
+	PR c/71266
+	* gcc.dg/noncompile/old-style-parm-3.c: New test.
+
 2016-05-25  Nathan Sidwell  <nathan@acm.org>
 
 	* gcc.c-torture/execute/921110-1.c: Fix abort decl.

gcc/testsuite/gcc.dg/noncompile/old-style-parm-3.c

+/* PR c/71266 */
+/* { dg-do compile } */
+
+int fn1 (a)
+  enum b {  /* { dg-warning "empty declaration" } */
+    a /* { dg-error ".a. declared as a non-parameter" } */
+  };
+{
+}