I plan to commit the attached patch on Saturday unless someone voices an objection.
2018-05-09 Steven G. Kargl <ka...@gcc.gnu.org> PR fortran/85687 * check.c (gfc_check_rank): Check that the argument is a data object. 2018-05-09 Steven G. Kargl <ka...@gcc.gnu.org> PR fortran/85687 * gfortran.dg/pr85687.f90: new test. -- Steve
Index: gcc/fortran/check.c =================================================================== --- gcc/fortran/check.c (revision 260098) +++ gcc/fortran/check.c (working copy) @@ -3886,8 +3886,11 @@ gfc_check_rank (gfc_expr *a) ? a->value.function.esym->result->attr.pointer : a->symtree->n.sym->result->attr.pointer; - if (a->expr_type == EXPR_OP || a->expr_type == EXPR_NULL - || a->expr_type == EXPR_COMPCALL|| a->expr_type == EXPR_PPC + if (a->expr_type == EXPR_OP + || a->expr_type == EXPR_NULL + || a->expr_type == EXPR_COMPCALL + || a->expr_type == EXPR_PPC + || a->ts.type == BT_PROCEDURE || !is_variable) { gfc_error ("The argument of the RANK intrinsic at %L must be a data " Index: gcc/testsuite/gfortran.dg/pr85687.f90 =================================================================== --- gcc/testsuite/gfortran.dg/pr85687.f90 (nonexistent) +++ gcc/testsuite/gfortran.dg/pr85687.f90 (working copy) @@ -0,0 +1,8 @@ +! { dg-do compile } +! PR fortran/85687 +! Code original contributed by Gerhard Steinmetz gscfq at t-oline dot de +program p + type t + end type + print *, rank(t) ! { dg-error "must be a data object" } +end