https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70058
--- Comment #4 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> --- The problem does not exist on Linux for sure. Not sure if this is a TDM distribution problem, a Windows problem, a MingW problem, or gfortran. I am going to have to get set up on Windows so this may take a while.