Update obsolote assert. (#3752)

Fixes #3713.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com

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

@@ -2639,7 +2639,7 @@ parser_parse_statements (parser_context_t *context_p) /**< context */
     lexer_lit_location_t lit_location;
     parser_strict_mode_type_t strict_mode = PARSER_USE_STRICT_NOT_FOUND;
 
-    JERRY_ASSERT (context_p->stack_depth == 0);
+    JERRY_ASSERT (context_p->stack_depth <= 1);
 #ifndef JERRY_NDEBUG
     JERRY_ASSERT (context_p->context_stack_depth == context_p->stack_depth);
 #endif /* !JERRY_NDEBUG */

tests/jerry/es2015/regresssion-test-issue-3713.js

@@ -0,0 +1,18 @@
+// 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 = eval()) {
+    ""
+    eval()
+}