https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94315
--- Comment #1 from Iain Buclaw <ibuclaw at gdcproject dot org> --- The test generates a make dependency file, and scans that it succeeded. I can only think that there's something about where you build makes the generated file different. Maybe it looks like this? pr93038.o: \ /path/to/pr93038.d \ /path/to/fileimports/pr93038.txt