http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59654
--- Comment #15 from janus at gcc dot gnu.org --- (In reply to janus from comment #13) > (In reply to janus from comment #12) > > - /* Make sure the vtab has been generated. */ > > - gfc_find_derived_vtab (derived); > > This line was added in r163631, which was my fix for PR 42769. I just verified that removing the line does not re-introduce any problems for the test cases in PR 42769. I will commit the patch as obvious, given that it is really simple, only removes code, seems to fix the problems here reliably and does not yield any regressions.