Added missing object deref in ecma_promise_reject_or_resolve (#4144)

fixes #4131

JerryScript-DCO-1.0-Signed-off-by: bence gabor kis kisbg@inf.u-szeged.hu

jerry-core/ecma/operations/ecma-promise-object.c

@@ -806,6 +806,7 @@ ecma_promise_reject_or_resolve (ecma_value_t this_arg, /**< "this" argument */
 
   if (ECMA_IS_VALUE_ERROR (call_ret))
   {
+    ecma_deref_object (capability_obj_p);
     return call_ret;
   }
 

tests/jerry/es.next/regression-test-issue-4131.js

@@ -0,0 +1,49 @@
+// 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.
+
+var P = function (executor) {
+  return new Promise (function () {
+    executor (
+      function () {},
+      function () {
+        throw new TypeError ();
+      }
+    );
+  });
+};
+
+try {
+  Promise.reject.call (P);
+  assert (false)
+} catch (e) {
+  assert ( e instanceof TypeError)
+}
+
+var P = function (executor) {
+  return new Promise ( function() {
+    executor(
+      function () {
+        throw new TypeError ();
+      },
+      function () {}
+    );
+  });
+};
+
+try {
+  Promise.resolve.call(P);
+  assert (false)
+} catch (e) {
+  assert ( e instanceof TypeError)
+}