[Bug gcov-profile/48361] gcov freezes when using --all-blocks (-a) flag.

[luca at ingianni dot eu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48361

--- Comment #10 from Luca Ingianni <luca at ingianni dot eu> ---
Created attachment 40326
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40326&action=edit
the soure file