[interpreter][stubs] Don't modify FLAG_csa_verify flag to make TSAN happy.

src/interpreter/interpreter.cc

 // Copyright 2015 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/interpreter/interpreter.h"
 
 #include <fstream>
 #include <memory>
 
 #include "src/ast/prettyprinter.h"
@@ skipping 80 matching lines @@
 
   // Initialization should have been successful.
   DCHECK(IsDispatchTableInitialized());
 }
 
 void Interpreter::InstallBytecodeHandler(Zone* zone, Bytecode bytecode,
                                          OperandScale operand_scale,
                                          BytecodeGeneratorFunc generator) {
   if (!Bytecodes::BytecodeHasHandler(bytecode, operand_scale)) return;
 
-  // TODO(ishell): remove this when code stub assembler graphs verification
-  // is enabled for all stubs.
-  bool sav_csa_verify = FLAG_csa_verify;
-  // Enable verification only in mksnapshot.
-  FLAG_csa_verify = DEBUG_BOOL && FLAG_startup_blob != nullptr;
-
   InterpreterDispatchDescriptor descriptor(isolate_);
   compiler::CodeAssemblerState state(
       isolate_, zone, descriptor, Code::ComputeFlags(Code::BYTECODE_HANDLER),
       Bytecodes::ToString(bytecode), Bytecodes::ReturnCount(bytecode));
   InterpreterAssembler assembler(&state, bytecode, operand_scale);
   (this->*generator)(&assembler);
   Handle<Code> code = compiler::CodeAssembler::GenerateCode(&state);
   size_t index = GetDispatchTableIndex(bytecode, operand_scale);
   dispatch_table_[index] = code->entry();
   TraceCodegen(code);
   PROFILE(isolate_, CodeCreateEvent(
                         CodeEventListener::BYTECODE_HANDLER_TAG,
                         AbstractCode::cast(*code),
                         Bytecodes::ToString(bytecode, operand_scale).c_str()));
-  FLAG_csa_verify = sav_csa_verify;
 }
 
 Code* Interpreter::GetBytecodeHandler(Bytecode bytecode,
                                       OperandScale operand_scale) {
   DCHECK(IsDispatchTableInitialized());
   DCHECK(Bytecodes::BytecodeHasHandler(bytecode, operand_scale));
   size_t index = GetDispatchTableIndex(bytecode, operand_scale);
   Address code_entry = dispatch_table_[index];
   return Code::GetCodeFromTargetAddress(code_entry);
 }
@@ skipping 2731 matching lines @@
   __ StoreObjectField(generator, JSGeneratorObject::kContinuationOffset,
       __ SmiTag(new_state));
   __ SetAccumulator(old_state);
 
   __ Dispatch();
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8