[interpreter] Support on-stack replacement in profiler.

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 111 matching lines @@
     Object* old_code = code;
     v->VisitPointer(&code);
     if (code != old_code) {
       dispatch_table_[i] = reinterpret_cast<Code*>(code)->entry();
     }
   }
 }
 
 // static
 int Interpreter::InterruptBudget() {
-  // TODO(ignition): Tune code size multiplier.
-  const int kCodeSizeMultiplier = 32;
   return FLAG_interrupt_budget * kCodeSizeMultiplier;
 }
 
 bool Interpreter::MakeBytecode(CompilationInfo* info) {
   RuntimeCallTimerScope runtimeTimer(info->isolate(),
                                      &RuntimeCallStats::CompileIgnition);
   TimerEventScope<TimerEventCompileIgnition> timer(info->isolate());
   TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"), "V8.CompileIgnition");
 
   if (FLAG_print_bytecode || FLAG_print_ast) {
@@ skipping 2030 matching lines @@
   __ StoreObjectField(generator, JSGeneratorObject::kContinuationOffset,
       __ SmiTag(new_state));
   __ SetAccumulator(old_state);
 
   __ Dispatch();
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8