https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108705
--- Comment #7 from Rimvydas (RJ) <rimvydas.jas at gmail dot com> --- The original cases have over 65 long call cascades that take different small arrays to be packed. Because of geometric time growth for every next repeated call, the -flto -O2 is unusable in these specific cases. I think I found a workaround after investigating f951 internals to add support for NOINLINE attribute in form of: !GCC$ ATTRIBUTES noinline :: foo It works with LTO and might be useful for other issues. I'll post a patch with feature request in gfortran mailing list after some testing. If the pr is not reproducible it can be closed as INVALID, since it might be a host software configuration specific issue.
