https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107519
Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |nathan at gcc dot gnu.org --- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> --- Dunno how to reduce or bisect that: g++ pr107519.ii -c -Ofast -std=c++23 -s -flto -march=native -fmodules-ts -c In module imported at iobuf_file.cc:1:1: ./../../../include/fast_io.h: error: failed to read compiled module: No such file or directory ./../../../include/fast_io.h: note: compiled module file is ‘gcm.cache/,/,,/,,/,,/include/fast_io.h.gcm’ ./../../../include/fast_io.h: note: imports must be built before being imported ./../../../include/fast_io.h: fatal error: returning to the gate for a mechanical issue compilation terminated.