Merge bleeding edge up to 8774 into the GC branch.

src/mksnapshot.cc

Index: src/mksnapshot.cc
===================================================================
--- src/mksnapshot.cc	(revision 8778)
+++ src/mksnapshot.cc	(working copy)
@@ -296,10 +296,9 @@
 
 
 int main(int argc, char** argv) {
-#ifdef ENABLE_LOGGING_AND_PROFILING
   // By default, log code create information in the snapshot.
   i::FLAG_log_code = true;
-#endif
+
   // Print the usage if an error occurs when parsing the command line
   // flags or if the help flag is set.
   int result = i::FlagList::SetFlagsFromCommandLine(&argc, argv, true);