https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107327
--- Comment #7 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to Carlos E from comment #6) > (In reply to Martin Liška from comment #4) > > > When you say to attach a preprocessed source, what would be the most > > > accepted command that I should be running which can reliably show whatever > > > was preprocessed? > > > > Just append -E to the existing command line arguments, that would be fine. > > done. We need what was likely printed to stdout, or saved to a .o file. See what's the pre-processed source file: echo '#include <stdio.h>' | gcc -x c - -E