NULL() can only appear in a few situations. It cannot be part of an array spec. See testcase for example. OK to commit? 2015-11-07 Steven G. Kargl PR fortran/68224 * array.c (match_array_element_spec): Check of invalid NULL(). While here, fix nearby comments. 2015-11-07 Steven G. Kargl PR fortran/68224 * gfortran.dg/pr68224.f90: New test. -- Steve