gcc/testsuite/gfortran.dg/volatile3.f90

   1 ! { dg-do compile }
   2 ! { dg-shouldfail "Invalid use of VOLATILE" }
   3 ! Test whether volatile statements and attributes are
   4 ! properly error checked.
   5 ! PR fortran/29601
   6 program volatile_test
   7   implicit none
   8   real, external,  volatile :: foo ! { dg-error "VOLATILE attribute conflicts with EXTERNAL attribute" }
   9   real, intrinsic, volatile :: sin ! { dg-error "VOLATILE attribute conflicts with INTRINSIC attribute" }
  10   real, parameter, volatile :: r = 5.5 ! { dg-error "PARAMETER attribute conflicts with VOLATILE attribute" }
  11   real :: l,m
  12   real,volatile :: n
  13   real, volatile,volatile :: r = 3. ! { dg-error "Duplicate VOLATILE attribute" }
  14   volatile :: l,n ! { dg-warning "Duplicate VOLATILE attribute" }
  15   volatile ! { dg-error "Syntax error in VOLATILE statement" }
  16   volatile :: volatile_test ! { dg-error "PROGRAM attribute conflicts with VOLATILE attribute" }
  17   l = 4.0
  18   m = 3.0
  19 contains
  20   subroutine foo(a) ! { dg-error "has no IMPLICIT type" } ! due to error below
  21     integer, intent(in), volatile :: a ! { dg-error "VOLATILE attribute conflicts with INTENT\\(IN\\)" }
  22   end subroutine
  23 end program volatile_test