Return MaybeHandle from SetElement and DeleteElement.

test/cctest/test-heap.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 665 matching lines @@
   Handle<Smi> two(Smi::FromInt(2), isolate);
 
   // check for empty
   CHECK(!JSReceiver::HasLocalProperty(obj, first));
 
   // add first
   JSReceiver::SetProperty(obj, first, one, NONE, SLOPPY).Check();
   CHECK(JSReceiver::HasLocalProperty(obj, first));
 
   // delete first
-  JSReceiver::DeleteProperty(obj, first, JSReceiver::NORMAL_DELETION);
+  JSReceiver::DeleteProperty(obj, first, JSReceiver::NORMAL_DELETION).Check();
   CHECK(!JSReceiver::HasLocalProperty(obj, first));
 
   // add first and then second
   JSReceiver::SetProperty(obj, first, one, NONE, SLOPPY).Check();
   JSReceiver::SetProperty(obj, second, two, NONE, SLOPPY).Check();
   CHECK(JSReceiver::HasLocalProperty(obj, first));
   CHECK(JSReceiver::HasLocalProperty(obj, second));
 
   // delete first and then second
-  JSReceiver::DeleteProperty(obj, first, JSReceiver::NORMAL_DELETION);
+  JSReceiver::DeleteProperty(obj, first, JSReceiver::NORMAL_DELETION).Check();
   CHECK(JSReceiver::HasLocalProperty(obj, second));
-  JSReceiver::DeleteProperty(obj, second, JSReceiver::NORMAL_DELETION);
+  JSReceiver::DeleteProperty(obj, second, JSReceiver::NORMAL_DELETION).Check();
   CHECK(!JSReceiver::HasLocalProperty(obj, first));
   CHECK(!JSReceiver::HasLocalProperty(obj, second));
 
   // add first and then second
   JSReceiver::SetProperty(obj, first, one, NONE, SLOPPY).Check();
   JSReceiver::SetProperty(obj, second, two, NONE, SLOPPY).Check();
   CHECK(JSReceiver::HasLocalProperty(obj, first));
   CHECK(JSReceiver::HasLocalProperty(obj, second));
 
   // delete second and then first
-  JSReceiver::DeleteProperty(obj, second, JSReceiver::NORMAL_DELETION);
+  JSReceiver::DeleteProperty(obj, second, JSReceiver::NORMAL_DELETION).Check();
   CHECK(JSReceiver::HasLocalProperty(obj, first));
-  JSReceiver::DeleteProperty(obj, first, JSReceiver::NORMAL_DELETION);
+  JSReceiver::DeleteProperty(obj, first, JSReceiver::NORMAL_DELETION).Check();
   CHECK(!JSReceiver::HasLocalProperty(obj, first));
   CHECK(!JSReceiver::HasLocalProperty(obj, second));
 
   // check string and internalized string match
   const char* string1 = "fisk";
   Handle<String> s1 = factory->NewStringFromAscii(CStrVector(string1));
   JSReceiver::SetProperty(obj, s1, one, NONE, SLOPPY).Check();
   Handle<String> s1_string = factory->InternalizeUtf8String(string1);
   CHECK(JSReceiver::HasLocalProperty(obj, s1_string));
 
@@ skipping 3215 matching lines @@
   v8::Context::Scope cscope(context);
 
   v8::Local<v8::Value> result = CompileRun(
       "var locals = '';"
       "for (var i = 0; i < 512; i++) locals += 'var v' + i + '= 42;';"
       "eval('function f() {' + locals + 'return function() { return v0; }; }');"
       "interrupt();"  // This triggers a fake stack overflow in f.
       "f()()");
   CHECK_EQ(42.0, result->ToNumber()->Value());
 }