diff --git a/src/ic/keyed-store-generic.cc b/src/ic/keyed-store-generic.cc
index 97cd0f103989..ff830a022e5b 100644
--- a/src/ic/keyed-store-generic.cc
+++ b/src/ic/keyed-store-generic.cc
@@ -810,7 +810,8 @@ void KeyedStoreGenericAssembler::EmitGenericPropertyStore(
         var_accessor_holder = receiver;
         Goto(&accessor);
       } else {
-        Goto(&data_property);
+        // Handle accessor to data property reconfiguration in runtime.
+        Goto(slow);
       }
 
       BIND(&data_property);
diff --git a/test/mjsunit/regress/regress-crbug-997056.js b/test/mjsunit/regress/regress-crbug-997056.js
new file mode 100644
index 000000000000..02e2772ddb82
--- /dev/null
+++ b/test/mjsunit/regress/regress-crbug-997056.js
@@ -0,0 +1,12 @@
+// Copyright 2019 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+for (let i = 0; i < 4; ++i) {
+    var obj1 = {
+        get [obj1]() {},
+        ...obj2,
+    };
+    var obj2 = { [obj1]: 0 };
+    print(obj2);
+}