Fix the scanning of default array/object literals. (#3367)

Scanning should continue with `SCAN_MODE_POST_PRIMARY_EXPRESSION` in all cases.

Fixes #3360.

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

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

@@ -1163,11 +1163,6 @@ scanner_scan_primary_expression_end (parser_context_t *context_p, /**< context *
         }
 
         scanner_context_p->mode = SCAN_MODE_POST_PRIMARY_EXPRESSION;
-
-        if (context_p->stack_top_uint8 == SCAN_STACK_FUNCTION_PARAMETERS)
-        {
-          scanner_context_p->mode = SCAN_MODE_PRIMARY_EXPRESSION_END;
-        }
         return SCAN_KEEP_TOKEN;
       }
 

tests/jerry/es2015/regression-test-issue-3360.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.
+
+function $ (b = [ ].$) { };
+assert ($() === undefined);