[stubs] Enable graph verification for builtins.

src/builtins/builtins.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/builtins/builtins.h"
 #include "src/code-events.h"
 #include "src/compiler/code-assembler.h"
 #include "src/ic/ic-state.h"
 #include "src/interface-descriptors.h"
 #include "src/isolate.h"
@@ skipping 71 matching lines @@
 Code* BuildWithCodeStubAssemblerJS(Isolate* isolate,
                                    CodeAssemblerGenerator generator, int argc,
                                    Code::Flags flags, const char* name) {
   HandleScope scope(isolate);
   Zone zone(isolate->allocator(), ZONE_NAME);
   const int argc_with_recv =
       (argc == SharedFunctionInfo::kDontAdaptArgumentsSentinel) ? 0 : argc + 1;
   compiler::CodeAssemblerState state(isolate, &zone, argc_with_recv, flags,
                                      name);
   generator(&state);
-  Handle<Code> code = compiler::CodeAssembler::GenerateCode(&state);
+  Handle<Code> code =
+      compiler::CodeAssembler::GenerateCode(&state, FLAG_csa_verify);
   PostBuildProfileAndTracing(isolate, *code, name);
   return *code;
 }
 
 // Builder for builtins implemented in TurboFan with CallStub linkage.
 Code* BuildWithCodeStubAssemblerCS(Isolate* isolate,
                                    CodeAssemblerGenerator generator,
                                    CallDescriptors::Key interface_descriptor,
                                    Code::Flags flags, const char* name) {
   HandleScope scope(isolate);
@@ skipping 187 matching lines @@
   // TODO(jochen): Remove this.
   if (responsible_context.is_null()) {
     return true;
   }
   if (*responsible_context == target->context()) return true;
   return isolate->MayAccess(responsible_context, target_global_proxy);
 }
 
 }  // namespace internal
 }  // namespace v8