diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index d74423b816def07c2b1e357a8db05f9fe1612a8c..f3bb0e9d58a30c6f47a6b8ad9eb6d9599eb01164 100644
--- a/gcc/c/ChangeLog
+++ b/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
diff --git a/gcc/c/c-decl.c b/gcc/c/c-decl.c
index d7c3783d9898124d61f0a2594619fc6358cdbad2..d79802ee72c39f9ca866d5393e5750cb394858fd 100644
--- a/gcc/c/c-decl.c
+++ b/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))
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c1a5372bb7a442ce7a8764cf19bdfd0f308fdbe6..1b1b97e2c73e32fe55b56e2ba12958265aa49903 100644
--- a/gcc/testsuite/ChangeLog
+++ b/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.
diff --git a/gcc/testsuite/gcc.dg/noncompile/old-style-parm-3.c b/gcc/testsuite/gcc.dg/noncompile/old-style-parm-3.c
new file mode 100644
index 0000000000000000000000000000000000000000..f9d6d0f686a8ea6eef821cffbdc46b94f9f98e1c
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/noncompile/old-style-parm-3.c
@@ -0,0 +1,9 @@
+/* PR c/71266 */
+/* { dg-do compile } */
+
+int fn1 (a)
+  enum b {  /* { dg-warning "empty declaration" } */
+    a /* { dg-error ".a. declared as a non-parameter" } */
+  };
+{
+}