Index: gcc/testsuite/g++.dg/gomp/pr36475.C
===================================================================
--- gcc/testsuite/g++.dg/gomp/pr36475.C	(revision 0)
+++ gcc/testsuite/g++.dg/gomp/pr36475.C	(revision 0)
@@ -0,0 +1,9 @@
+// PR c++/36475
+// { dg-do compile }
+// { dg-options "-fopenmp" }
+int main() {
+#pragma omp parallel for
+  for (register int i = 0; i < 2; ++i) { // { dg-error ".register. is not allowed" }
+  }
+  return 0;
+}
Index: gcc/cp/parser.c
===================================================================
--- gcc/cp/parser.c	(revision 141361)
+++ gcc/cp/parser.c	(working copy)
@@ -3372,10 +3372,21 @@ cp_parser_primary_expression (cp_parser 
 	case RID_AT_ENCODE:
 	case RID_AT_PROTOCOL:
 	case RID_AT_SELECTOR:
 	  return cp_parser_objc_expression (parser);
 
+	case RID_REGISTER:
+	case RID_STATIC:
+	case RID_EXTERN:
+	case RID_MUTABLE:
+	  if (!cp_parser_uncommitted_to_tentative_parse_p (parser))
+	    error ("%H%qE is not allowed here", 
+		   &token->location, token->u.value);
+	  cp_parser_simulate_error (parser);
+	  cp_lexer_consume_token (parser->lexer);
+	  return error_mark_node;
+
 	default:
 	  cp_parser_error (parser, "expected primary-expression");
 	  return error_mark_node;
 	}
 
@@ -10873,10 +10884,12 @@ cp_parser_type_specifier (cp_parser* par
   if (declares_class_or_enum)
     *declares_class_or_enum = 0;
   /* And that it does not specify a cv-qualifier.  */
   if (is_cv_qualifier)
     *is_cv_qualifier = false;
+
+ restart:
   /* Peek at the next token.  */
   token = cp_lexer_peek_token (parser->lexer);
 
   /* If we're looking at a keyword, we can use that to guide the
      production we choose.  */
@@ -10966,10 +10979,19 @@ cp_parser_type_specifier (cp_parser* par
     case RID_COMPLEX:
       /* The `__complex__' keyword is a GNU extension.  */
       ds = ds_complex;
       break;
 
+    case RID_REGISTER:
+    case RID_STATIC:
+    case RID_EXTERN:
+    case RID_MUTABLE:
+      error ("%H%qE is not allowed here", 
+	     &token->location, token->u.value);
+      cp_lexer_consume_token (parser->lexer);
+      goto restart;
+
     default:
       break;
     }
 
   /* Handle simple keywords.  */