https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102145
kargl at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Severity|normal |enhancement CC| |kargl at gcc dot gnu.org Priority|P3 |P5 --- Comment #1 from kargl at gcc dot gnu.org --- Bummer. I do note that the gcc.info description describes -pedantic in terms of only ISO C/C++, but let's assume -pedantic should apply to ISO Fortran as well. From the gcc manual -Wpedantic' '-pedantic' Issue all the warnings demanded by strict ISO C and ISO C++; reject all programs that use forbidden extensions, ... >From Fortran 2018, 4.2 Conformance A processor conforms to this document if: ... (10) it contains the capability to detect and report the reason for rejecting a submitted program. Perhaps, gfortran is enforcing the "reject all programs that use forbidden extensions," portion. Improvements to the gfortran documentation are encouraged and welcomed from all users of gfortran that find it lacking.