Handle retry-after-gc failures within KeyedLoadIC::Load and KeyedStoreIC::Store.

src/runtime.h

Index: src/runtime.h
diff --git a/src/runtime.h b/src/runtime.h
index f82963edac552ab38b78c41de18e492c6f51420d..09fbcf8be08e70be92c32fcbc3dc70c3d9dcfbb7 100644
--- a/src/runtime.h
+++ b/src/runtime.h
@@ -692,6 +692,14 @@ class Runtime : public AllStatic {
       PropertyAttributes attr,
       StrictModeFlag strict_mode);
 
+  MUST_USE_RESULT static MaybeObject* SetObjectPropertyOrFail(
+      Isolate* isolate,
+      Handle<Object> object,
+      Handle<Object> key,
+      Handle<Object> value,
+      PropertyAttributes attr,
+      StrictModeFlag strict_mode);
+
   MUST_USE_RESULT static MaybeObject* ForceSetObjectProperty(
       Isolate* isolate,
       Handle<JSObject> object,
@@ -715,6 +723,11 @@ class Runtime : public AllStatic {
       Handle<Object> object,
       Handle<Object> key);
 
+  MUST_USE_RESULT static MaybeObject* GetObjectPropertyOrFail(
+      Isolate* isolate,
+      Handle<Object> object,
+      Handle<Object> key);
+
   // Helper functions used stubs.
   static void PerformGC(Object* result);