[interpreter] Print name together with bytecode handler.

src/interpreter/interpreter.cc

Index: src/interpreter/interpreter.cc
diff --git a/src/interpreter/interpreter.cc b/src/interpreter/interpreter.cc
index 76c248ccc918a7d8a5a24a6917e32c7bf153a5cd..56bcc14332f83c2e6870fd824f21061ba01624d9 100644
--- a/src/interpreter/interpreter.cc
+++ b/src/interpreter/interpreter.cc
@@ -37,11 +37,11 @@ void Interpreter::Initialize() {
     InterpreterAssembler assembler(isolate_, &zone, Bytecode::k##Name); \
     Do##Name(&assembler);                                               \
     Handle<Code> code = assembler.GenerateCode();                       \
-    TraceCodegen(code, #Name);                                          \
+    dispatch_table_[Bytecodes::ToByte(Bytecode::k##Name)] = *code;      \
+    TraceCodegen(code);                                                 \
     LOG_CODE_EVENT(isolate_,                                            \
                    CodeCreateEvent(Logger::BYTECODE_HANDLER_TAG,        \
                                    AbstractCode::cast(*code), #Name));  \
-    dispatch_table_[Bytecodes::ToByte(Bytecode::k##Name)] = *code;      \
   }
   BYTECODE_LIST(GENERATE_CODE)
 #undef GENERATE_CODE
@@ -116,16 +116,28 @@ bool Interpreter::IsDispatchTableInitialized() {
   return dispatch_table_[0] != nullptr;
 }
 
-void Interpreter::TraceCodegen(Handle<Code> code, const char* name) {
+void Interpreter::TraceCodegen(Handle<Code> code) {
 #ifdef ENABLE_DISASSEMBLER
   if (FLAG_trace_ignition_codegen) {
     OFStream os(stdout);
-    code->Disassemble(name, os);
+    code->Disassemble(nullptr, os);
     os << std::flush;
   }
 #endif  // ENABLE_DISASSEMBLER
 }
 
+const char* Interpreter::LookupNameOfBytecodeHandler(Code* code) {
+#ifdef ENABLE_DISASSEMBLER
+#define RETURN_NAME(Name, ...)                                         \
+  if (dispatch_table_[Bytecodes::ToByte(Bytecode::k##Name)] == code) { \
+    return #Name;                                                      \
+  }
+  BYTECODE_LIST(RETURN_NAME)
+#undef RETURN_NAME
+#endif  // ENABLE_DISASSEMBLER
+  return nullptr;
+}
+
 // LdaZero
 //
 // Load literal '0' into the accumulator.