https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97193
Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|.gcno files are not written |[9/10/11 Regression] .gcno |to same directory as the |files are not written to |object file |same directory as the | |object file Target Milestone|--- |9.4 Known to fail| |10.2.0, 11.0 Keywords|documentation | Known to work|8.3.0 |8.4.0 --- Comment #4 from Martin Liška <marxin at gcc dot gnu.org> --- It's definitely a bug and it started with r9-1537-g1f2bb38a85710f65. *.gcno files should be mangled like the *.gcda files. I'm testing a patch.