[Bug bootstrap/77593] [7 Regression] Bootstrap failure with configure-target-libgfortran " cygwin64 Windows 10 anniversary

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77593

--- Comment #5 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
Tim, can you grab a clean copy of trunk (from a Linux box or from whereever),
cooy that to your Windows machine and try again?