PR c++/86060 - ICE on range for with -std=c++98.

	* parser.c (cp_parser_init_statement): Don't clobber *decl after
	pedwarn.

From-SVN: r261239

gcc/cp/ChangeLog

 2018-06-06  Jason Merrill  <jason@redhat.com>
 
+	PR c++/86060 - ICE on range for with -std=c++98.
+	* parser.c (cp_parser_init_statement): Don't clobber *decl after
+	pedwarn.
+
 	PR c++/85710 - ICE with -Wmemset-elt-size.
 	* semantics.c (finish_call_expr): Call warn_for_memset here.
 	* parser.c (cp_parser_postfix_expression): Not here.

gcc/cp/parser.c

@@ -12384,12 +12384,9 @@ cp_parser_init_statement (cp_parser *parser, tree *decl)
 	  cp_lexer_consume_token (parser->lexer);
 	  is_range_for = true;
 	  if (cxx_dialect < cxx11)
-	    {
-	      pedwarn (cp_lexer_peek_token (parser->lexer)->location, 0,
-		       "range-based %<for%> loops only available with "
-		       "-std=c++11 or -std=gnu++11");
-	      *decl = error_mark_node;
-	    }
+	    pedwarn (cp_lexer_peek_token (parser->lexer)->location, 0,
+		     "range-based %<for%> loops only available with "
+		     "-std=c++11 or -std=gnu++11");
 	}
       else
 	/* The ';' is not consumed yet because we told

gcc/testsuite/g++.dg/cpp0x/range-for35.C

+// PR c++/86060
+// { dg-options -Wpedantic }
+
+template <typename T> void foo(T (&a)[8]) {
+  for (int i : a)		// { dg-warning "range-based" "" { target c++98_only } }
+    i;
+}
+void fn1() { foo<int>; }