https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77340
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Ah no, as I thought ... main.cpp includes a standard library header before
_GLIBCXX_DEBUG is defined, and defining it after that is too late.
You need to define _GLIBCXX_DEBUG on the command line, or before including any
other headers.
