https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90575
--- Comment #3 from Stephan Bergmann <sbergman at redhat dot com> --- Or, to put it differently: It looks odd that while `gcc -gsplit-dwarf -c test.c -o /path/test.o` puts test.dwo next to test.o into /path/, `gcc -gsplit-dwarf test.c -o /path/test` puts it into cwd.