https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101329
--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-11 branch has been updated by Harald Anlauf <anl...@gcc.gnu.org>: https://gcc.gnu.org/g:a25bfec3aacc34be624a620b00a72719ac03092f commit r11-9417-ga25bfec3aacc34be624a620b00a72719ac03092f Author: Harald Anlauf <anl...@gmx.de> Date: Wed Nov 17 22:21:24 2021 +0100 Fortran: NULL() is not interoperable gcc/fortran/ChangeLog: PR fortran/101329 * check.c (is_c_interoperable): Reject NULL() as it is not interoperable. gcc/testsuite/ChangeLog: PR fortran/101329 * gfortran.dg/pr101329.f90: New test. Co-authored-by: Steven G. Kargl <ka...@gcc.gnu.org> (cherry picked from commit 3535be6c6f440909798d1c78e862a657f7adaf63)