Disable generating of code cache if the debugger is loaded

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index a7ff337f7acda76c5475620fa697bd8e9317d0f5..5bef79f2c0ff426662cbd2ed0d7676fa73649c31 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -1584,6 +1584,12 @@ Local<UnboundScript> ScriptCompiler::CompileUnbound(
     options = kConsumeParserCache;
   }
 
+  // Don't try to produce any kind of cache when the debugger is loaded.
+  if (isolate->debug()->is_loaded() &&
+      (options == kProduceParserCache || options == kProduceCodeCache)) {
+    options = kNoCompileOptions;
+  }
+
   i::ScriptData* script_data = NULL;
   if (options == kConsumeParserCache || options == kConsumeCodeCache) {
     DCHECK(source->cached_data);