Fix apply receiver operation for Proxy objects (#3730)

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

jerry-core/ecma/operations/ecma-objects.c

@@ -1194,6 +1194,16 @@ ecma_op_object_put_apply_receiver (ecma_value_t receiver, /**< receiver */
     return result;
   }
 
+#if ENABLED (JERRY_ES2015_BUILTIN_PROXY)
+  if (ECMA_OBJECT_IS_PROXY (receiver_obj_p))
+  {
+    ecma_property_descriptor_t desc;
+    desc.flags = ECMA_NAME_DATA_PROPERTY_DESCRIPTOR_BITS;
+    desc.value = value;
+    return ecma_proxy_object_define_own_property (receiver_obj_p, property_name_p, &desc);
+  }
+#endif /* ENABLED (JERRY_ES2015_BUILTIN_PROXY) */
+
   if (JERRY_UNLIKELY (ecma_op_object_is_fast_array (receiver_obj_p)))
   {
     ecma_fast_array_convert_to_normal (receiver_obj_p);

tests/jerry/es2015/proxy_set_apply_receiver.js

@@ -0,0 +1,30 @@
+// 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 get = [];
+var p = new Proxy({
+  exec: function() {
+    return null;
+  }
+}, {
+  get: function(o, k) {
+    get.push(k);
+    return o[k];
+  }
+});
+RegExp.prototype[Symbol.match].call(p);
+p.global = true;
+RegExp.prototype[Symbol.match].call(p);
+
+assert(get + '' === "global,exec,global,unicode,exec");