From aeb8431aff6943e460c153791faf275b01662b22 Mon Sep 17 00:00:00 2001
From: Robert Fancsik <frobert@inf.u-szeged.hu>
Date: Tue, 26 Nov 2019 13:07:28 +0100
Subject: [PATCH] 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                |  5 -----
 tests/jerry/es2015/regression-test-issue-3360.js | 16 ++++++++++++++++
 2 files changed, 16 insertions(+), 5 deletions(-)
 create mode 100644 tests/jerry/es2015/regression-test-issue-3360.js

diff --git a/jerry-core/parser/js/js-scanner.c b/jerry-core/parser/js/js-scanner.c
index f3b73922d..ae0d3d73a 100644
--- a/jerry-core/parser/js/js-scanner.c
+++ b/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;
       }
 
diff --git a/tests/jerry/es2015/regression-test-issue-3360.js b/tests/jerry/es2015/regression-test-issue-3360.js
new file mode 100644
index 000000000..bea34b894
--- /dev/null
+++ b/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);