https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98701
--- Comment #3 from Bahram.shahrooz at uc dot edu --- Created attachment 49979 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49979&action=edit source code Sorry, I had to zip several files. Readme file in Archive.zip explains what the files are. Here's how I compiled: gfortran FiberAnalysis.f -o0 -o FiberAnalysis g77 -o0 FiberAnalysis.f -o FiberAnalysis