http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46916
--- Comment #65 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-12-15 15:15:42 UTC --- Iain, Can you try labeling the unlikely sections with the function names as Apple suggested and see if that helps with the problems with -g using honza patch?