https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69650
--- Comment #29 from Manuel López-Ibáñez <manu at gcc dot gnu.org> --- (In reply to Bernd Schmidt from comment #26) > Also, let's keep in mind the issue David found - "left but not entered" > seems like a misleading message, something like "unexpectedly reentered" > seems to fit better. But the linemaker is an invalid "leaving file" marker. So the error is that we are leaving a file that we have not entered. Perhaps I'm misunderstanding what you mean?