https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91512
--- Comment #21 from Thomas Koenig <tkoenig at gcc dot gnu.org> --- (In reply to Sunil Pandey from comment #20) > Created attachment 46851 [details] > Compile time regression reproducer. > > attached reproducer show ~28X compile time regression after the commit. See > the command line in readme.txt file. I'm afraid the test case is no use without the source that the *.mod files were from.