[Bug fortran/68717] [6/7 Regression] New (bogus?) warnings when compiling some gfortran.dg tests with -flto after r231239

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68717

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 6.2 is being released, adjusting target milestone.