view gcc/testsuite/gfortran.dg/null_2.f90 @ 144:8f4e72ab4e11

fix segmentation fault caused by nothing next cur_op to end
author Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
date Sun, 23 Dec 2018 21:23:56 +0900
parents 04ced10e8804
children
line wrap: on
line source

! { dg-do compile }
!
! NULL(...) pointer is not allowed as operand
! PR fortran/20888
!
! Contributed by Joost VandeVondele
!
PROGRAM main
  IMPLICIT NONE
  REAL, POINTER :: TEST
  NULLIFY(TEST)
  TEST => -NULL(TEST) ! { dg-error "Invalid context for NULL" }
  IF (TEST .EQ. NULL(TEST)) TEST=>NULL() ! { dg-error "Invalid context for NULL" }
  IF (NULL(TEST) .EQ. TEST) TEST=>NULL() ! { dg-error "Invalid context for NULL" }
END PROGRAM main