correctly invalidate global cells

src/runtime/runtime-debug.cc

Index: src/runtime/runtime-debug.cc
diff --git a/src/runtime/runtime-debug.cc b/src/runtime/runtime-debug.cc
index 42e60127b8b18dce3fd9f3ee4f81dfae16d762d7..ff70264ec662dd70d00f3eafba6708de5057d688 100644
--- a/src/runtime/runtime-debug.cc
+++ b/src/runtime/runtime-debug.cc
@@ -138,7 +138,8 @@ RUNTIME_FUNCTION(Runtime_DebugGetPropertyDetails) {
         isolate, element_or_char,
         Runtime::GetElementOrCharAt(isolate, obj, index));
     details->set(0, *element_or_char);
-    details->set(1, PropertyDetails(NONE, DATA, 0).AsSmi());
+    details->set(
+        1, PropertyDetails(NONE, DATA, 0, PropertyCellType::kInvalid).AsSmi());
     return *isolate->factory()->NewJSArrayWithElements(details);
   }
 
@@ -159,9 +160,10 @@ RUNTIME_FUNCTION(Runtime_DebugGetPropertyDetails) {
       isolate->factory()->NewFixedArray(has_js_accessors ? 6 : 3);
   details->set(0, *value);
   // TODO(verwaest): Get rid of this random way of handling interceptors.
-  PropertyDetails d = it.state() == LookupIterator::INTERCEPTOR
-                          ? PropertyDetails(NONE, DATA, 0)
-                          : it.property_details();
+  PropertyDetails d =
+      it.state() == LookupIterator::INTERCEPTOR
+          ? PropertyDetails(NONE, DATA, 0, PropertyCellType::kInvalid)
+          : it.property_details();
   details->set(1, d.AsSmi());
   details->set(
       2, isolate->heap()->ToBoolean(it.state() == LookupIterator::INTERCEPTOR));