https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121759
--- Comment #2 from Thomas Koenig <tkoenig at gcc dot gnu.org> --- That is weird. I cannot reproduce the error (running the executable a few times) with either $ gfortran -v Using built-in specs. COLLECT_GCC=gfortran COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-pc-cygwin/16/lto-wrapper.exe Target: x86_64-pc-cygwin [...] gcc version 16.0.0 20250706 (experimental) (GCC) or $ /usr/bin/x86_64-w64-mingw32-gfortran --version GNU Fortran (GCC) 12.4.0 Copyright (C) 2022 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
