Kiss goodbye to MaybeObject.

test/cctest/test-alloc.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 17 matching lines @@
 #include "v8.h"
 #include "accessors.h"
 #include "api.h"
 
 #include "cctest.h"
 
 
 using namespace v8::internal;
 
 
-static MaybeObject* AllocateAfterFailures() {
+static AllocationResult AllocateAfterFailures() {
   static int attempts = 0;
-  if (++attempts < 3) return Failure::RetryAfterGC();
+
+  if (++attempts < 3) return AllocationResult::Retry();
   TestHeap* heap = CcTest::test_heap();
 
   // New space.
   SimulateFullSpace(heap->new_space());
-  CHECK(!heap->AllocateByteArray(100)->IsFailure());
-  CHECK(!heap->AllocateFixedArray(100, NOT_TENURED)->IsFailure());
+  heap->AllocateByteArray(100).ToObjectChecked();
+  heap->AllocateFixedArray(100, NOT_TENURED).ToObjectChecked();
 
   // Make sure we can allocate through optimized allocation functions
   // for specific kinds.
-  CHECK(!heap->AllocateFixedArray(100)->IsFailure());
-  CHECK(!heap->AllocateHeapNumber(0.42)->IsFailure());
-  CHECK(!heap->AllocateArgumentsObject(Smi::FromInt(87), 10)->IsFailure());
+  heap->AllocateFixedArray(100).ToObjectChecked();
+  heap->AllocateHeapNumber(0.42).ToObjectChecked();
+  heap->AllocateArgumentsObject(Smi::FromInt(87), 10).ToObjectChecked();
   Object* object = heap->AllocateJSObject(
-      *CcTest::i_isolate()->object_function())->ToObjectChecked();
-  CHECK(!heap->CopyJSObject(JSObject::cast(object))->IsFailure());
+      *CcTest::i_isolate()->object_function()).ToObjectChecked();
+  heap->CopyJSObject(JSObject::cast(object)).ToObjectChecked();
 
   // Old data space.
   SimulateFullSpace(heap->old_data_space());
-  CHECK(!heap->AllocateByteArray(100, TENURED)->IsFailure());
+  heap->AllocateByteArray(100, TENURED).ToObjectChecked();
 
   // Old pointer space.
   SimulateFullSpace(heap->old_pointer_space());
-  CHECK(!heap->AllocateFixedArray(10000, TENURED)->IsFailure());
+  heap->AllocateFixedArray(10000, TENURED).ToObjectChecked();
 
   // Large object space.
   static const int kLargeObjectSpaceFillerLength = 300000;
   static const int kLargeObjectSpaceFillerSize = FixedArray::SizeFor(
       kLargeObjectSpaceFillerLength);
   ASSERT(kLargeObjectSpaceFillerSize > heap->old_pointer_space()->AreaSize());
   while (heap->OldGenerationSpaceAvailable() > kLargeObjectSpaceFillerSize) {
-    CHECK(!heap->AllocateFixedArray(kLargeObjectSpaceFillerLength, TENURED)->
-          IsFailure());
+    heap->AllocateFixedArray(
+        kLargeObjectSpaceFillerLength, TENURED).ToObjectChecked();
   }
-  CHECK(!heap->AllocateFixedArray(kLargeObjectSpaceFillerLength, TENURED)->
-        IsFailure());
+  heap->AllocateFixedArray(
+      kLargeObjectSpaceFillerLength, TENURED).ToObjectChecked();
 
   // Map space.
   SimulateFullSpace(heap->map_space());
   int instance_size = JSObject::kHeaderSize;
-  CHECK(!heap->AllocateMap(JS_OBJECT_TYPE, instance_size)->IsFailure());
+  heap->AllocateMap(JS_OBJECT_TYPE, instance_size).ToObjectChecked();
 
   // Test that we can allocate in old pointer space and code space.
   SimulateFullSpace(heap->code_space());
-  CHECK(!heap->AllocateFixedArray(100, TENURED)->IsFailure());
-  CHECK(!heap->CopyCode(CcTest::i_isolate()->builtins()->builtin(
-      Builtins::kIllegal))->IsFailure());
+  heap->AllocateFixedArray(100, TENURED).ToObjectChecked();
+  heap->CopyCode(CcTest::i_isolate()->builtins()->builtin(
+      Builtins::kIllegal)).ToObjectChecked();
 
   // Return success.
   return Smi::FromInt(42);
 }
 
 
 static Handle<Object> Test() {
   CALL_HEAP_FUNCTION(CcTest::i_isolate(), AllocateAfterFailures(), Object);
 }
 
@@ skipping 132 matching lines @@
       if (index < blocks.length() - 1) {
         blocks[index] = blocks.RemoveLast();
       } else {
         blocks.RemoveLast();
       }
     }
   }
 
   code_range.TearDown();
 }