[Bug other/70268] add option -ffile-prefix-map to map one directory name (old) to another (new) in FILE, __BASE_FILEand builtin_FILE()

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70268


--- Comment #17 from alex_y_xu at yahoo dot ca ---
seems like this should be RESOLVED FIXED?

[Bug other/70268] add option -ffile-prefix-map to map one directory name (old) to another (new) in __FILE__, __BASE_FILE__and __builtin_FILE()