Fix PropertyDefinition parsing in ObjectInitializer

This patch fixes jerryscript-project#3822.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu

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

@@ -3215,9 +3215,10 @@ parser_parse_object_initializer (parser_context_t *context_p, /**< context */
         parser_raise_error (context_p, PARSER_ERR_COLON_EXPECTED);
       }
 
-      if (context_p->token.type != LEXER_RIGHT_BRACE
-          && context_p->token.type != LEXER_ASSIGN
-          && context_p->token.type != LEXER_COMMA)
+      if ((context_p->token.type != LEXER_RIGHT_BRACE
+           && context_p->token.type != LEXER_ASSIGN
+           && context_p->token.type != LEXER_COMMA)
+          || (context_p->token.lit_location.type != LEXER_IDENT_LITERAL))
       {
         parser_raise_error (context_p, PARSER_ERR_OBJECT_ITEM_SEPARATOR_EXPECTED);
       }

tests/jerry/es2015/regression-test-issue-3822.js

@@ -0,0 +1,21 @@
+// 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.
+
+try {
+  eval(`function f ({array, 'a', { value: 'foo', enumerable: true } : 36}){}`);
+  assert(false);
+} catch (e) {
+  assert(e instanceof SyntaxError);
+}
+