Revise the usage of the global error value/exception flag (#3426)

This patch also fixes #3422.

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

tests/jerry/es2015/regression-test-issue-3422.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.
+
+assert (typeof RegExp('{}') === "object");
+let {t: []} = {t: []};

tests/unit-core/test-to-integer.c

@@ -51,7 +51,7 @@ main (void)
 
   result = ecma_op_to_integer (error, &num);
 
-  ecma_free_value (JERRY_CONTEXT (error_value));
+  jcontext_release_exception ();
 
   TEST_ASSERT (ECMA_IS_VALUE_ERROR (result));
 

tests/unit-core/test-to-length.c

@@ -51,7 +51,7 @@ main (void)
 
   result = ecma_op_to_length (error_throw, &num);
 
-  ecma_free_value (JERRY_CONTEXT (error_value));
+  jcontext_release_exception ();
 
   TEST_ASSERT (ECMA_IS_VALUE_ERROR (result));