Disable generating of code cache if the debugger is loaded

src/compiler.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/v8.h"
 
 #include "src/compiler.h"
 
 #include "src/ast-numbering.h"
 #include "src/ast-this-access-visitor.h"
@@ skipping 1243 matching lines @@
   return isolate->factory()->NewFunctionFromSharedFunctionInfo(
       shared_info, context, NOT_TENURED);
 }
 
 
 Handle<SharedFunctionInfo> Compiler::CompileScript(
     Handle<String> source, Handle<Object> script_name, int line_offset,
     int column_offset, bool is_shared_cross_origin, Handle<Context> context,
     v8::Extension* extension, ScriptData** cached_data,
     ScriptCompiler::CompileOptions compile_options, NativesFlag natives) {
+  Isolate* isolate = source->GetIsolate();
   if (compile_options == ScriptCompiler::kNoCompileOptions) {
     cached_data = NULL;
   } else if (compile_options == ScriptCompiler::kProduceParserCache ||
              compile_options == ScriptCompiler::kProduceCodeCache) {
     DCHECK(cached_data && !*cached_data);
     DCHECK(extension == NULL);
+    DCHECK(!isolate->debug()->is_loaded());
   } else {
     DCHECK(compile_options == ScriptCompiler::kConsumeParserCache ||
            compile_options == ScriptCompiler::kConsumeCodeCache);
     DCHECK(cached_data && *cached_data);
     DCHECK(extension == NULL);
   }
-  Isolate* isolate = source->GetIsolate();
   int source_length = source->length();
   isolate->counters()->total_load_size()->Increment(source_length);
   isolate->counters()->total_compile_size()->Increment(source_length);
 
   CompilationCache* compilation_cache = isolate->compilation_cache();
 
   // Do a lookup in the compilation cache but not for extensions.
   MaybeHandle<SharedFunctionInfo> maybe_result;
   Handle<SharedFunctionInfo> result;
   if (extension == NULL) {
@@ skipping 288 matching lines @@
   AllowHandleDereference allow_deref;
   bool tracing_on = info()->IsStub()
       ? FLAG_trace_hydrogen_stubs
       : (FLAG_trace_hydrogen &&
          info()->closure()->PassesFilter(FLAG_trace_hydrogen_filter));
   return (tracing_on &&
       base::OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) != NULL);
 }
 
 } }  // namespace v8::internal