https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64859
Manuel López-Ibáñez <manu at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |manu at gcc dot gnu.org
Resolution|--- |FIXED
--- Comment #1 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
It seems to be documented here:
https://gcc.gnu.org/onlinedocs/gcc-5.2.0/gcc/C_002b_002b-Dialect-Options.html#C_002b_002b-Dialect-Options
