https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70645
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED CC| |ebotcazou at gcc dot gnu.org Resolution|--- |WORKSFORME Summary|[4.9/5/6 Regression] |strange |-fguess-branch-probability |-fguess-branch-probability |breaks debug-information, |issue with debug info |only in Ada | --- Comment #1 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- I cannot reproduce on Linux. Besides there is no guarantee that debug info be fully correct, except for -O0 and -Og. Try to break on "Hello" instead or to fiddle with the various -gdwarf options since this is Darwin.