Minor fix in for-of statement parsing (#4814)

JerryScript-DCO-1.0-Signed-off-by: Robert Sipka robert.sipka@h-lab.eu

Author: robertsipka

jerry-core/parser/js/js-parser-statm.c

@@ -1289,7 +1289,7 @@ parser_parse_for_statement_start (parser_context_t *context_p) /**< context */
 #endif /* JERRY_ESNEXT */
 
     lexer_next_token (context_p);
-    int options = is_for_in ? PARSE_EXPR : PARSE_EXPR_LEFT_HAND_SIDE;
+    int options = is_for_in ? PARSE_EXPR : PARSE_EXPR_NO_COMMA;
     parser_parse_expression (context_p, options);
 
     if (context_p->token.type != LEXER_RIGHT_PAREN)

tests/jerry/es.next/for-of-statement-head.js

@@ -0,0 +1,16 @@
+// Copyright JS Foundation and other contributors, http://js.foundation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+for (a of [1] || [2]) {}
+