Return MaybeHandle from Invoke.

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 65 matching lines @@
   Heap* heap = CcTest::heap();
   CheckMap(heap->meta_map(), MAP_TYPE, Map::kSize);
   CheckMap(heap->heap_number_map(), HEAP_NUMBER_TYPE, HeapNumber::kSize);
   CheckMap(heap->fixed_array_map(), FIXED_ARRAY_TYPE, kVariableSizeSentinel);
   CheckMap(heap->string_map(), STRING_TYPE, kVariableSizeSentinel);
 }
 
 
 static void CheckOddball(Isolate* isolate, Object* obj, const char* string) {
   CHECK(obj->IsOddball());
-  bool exc;
   Handle<Object> handle(obj, isolate);
   Object* print_string =
-      *Execution::ToString(isolate, handle, &exc);
+      *Execution::ToString(isolate, handle).ToHandleChecked();
   CHECK(String::cast(print_string)->IsUtf8EqualTo(CStrVector(string)));
 }
 
 
 static void CheckSmi(Isolate* isolate, int value, const char* string) {
-  bool exc;
   Handle<Object> handle(Smi::FromInt(value), isolate);
   Object* print_string =
-      *Execution::ToString(isolate, handle, &exc);
+      *Execution::ToString(isolate, handle).ToHandleChecked();
   CHECK(String::cast(print_string)->IsUtf8EqualTo(CStrVector(string)));
 }
 
 
 static void CheckNumber(Isolate* isolate, double value, const char* string) {
   Object* obj = CcTest::heap()->NumberFromDouble(value)->ToObjectChecked();
   CHECK(obj->IsNumber());
-  bool exc;
   Handle<Object> handle(obj, isolate);
   Object* print_string =
-      *Execution::ToString(isolate, handle, &exc);
+      *Execution::ToString(isolate, handle).ToHandleChecked();
   CHECK(String::cast(print_string)->IsUtf8EqualTo(CStrVector(string)));
 }
 
 
 static void CheckFindCodeObject(Isolate* isolate) {
   // Test FindCodeObject
 #define __ assm.
 
   Assembler assm(isolate, NULL, 0);
 
@@ skipping 3815 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());
 }