Fix cleanup in VM_OC_INITIALIZER_PUSH_PROP on abrupt completion (#4564)

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

jerry-core/vm/vm.c

@@ -2544,7 +2544,7 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
         case VM_OC_INITIALIZER_PUSH_PROP:
         {
           ecma_value_t *last_context_end_p = VM_LAST_CONTEXT_END ();
-          right_value = last_context_end_p[-2];
+          ecma_value_t base = last_context_end_p[-2];
 
           if (opcode == CBC_EXT_INITIALIZER_PUSH_PROP)
           {
@@ -2557,7 +2557,7 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
             stack_top_p--;
           }
 
-          result = vm_op_get_value (right_value, left_value);
+          result = vm_op_get_value (base, left_value);
 
           if (ECMA_IS_VALUE_ERROR (result))
           {

tests/jerry/es.next/object-pattern.js

@@ -237,3 +237,14 @@ try {
 } catch (e) {
   assert (e instanceof SyntaxError);
 }
+
+var abruptObj = Object.defineProperty({}, 'a', {
+  get() { throw 5.2; }
+});
+
+try {
+  const { a } = abruptObj;
+  assert (false);
+} catch (e) {
+  assert (e === 5.2);
+}