gcc/testsuite/gfortran.dg/block_name_2.f90

   1 ! { dg-do compile }
   2 ! Test that various illegal combinations of block statements with
   3 ! block names yield the correct error messages.  Motivated by PR31471.
   4 program blocks
   5   dimension a(5,2)
   6
   7   a = 0
   8
   9   ! The END statement of a labelled block needs to carry the construct
  10   ! name.
  11   d1: do i=1,10
  12   end do      ! { dg-error "Expected block name of .... in END DO statement" }
  13   end do d1
  14
  15   i1: if (i > 0) then
  16   end if      ! { dg-error "Expected block name of .... in END IF statement" }
  17   end if i1
  18
  19   s1: select case (i)
  20   end select ! { dg-error "Expected block name of .... in END SELECT statement" }
  21   end select s1
  22
  23   w1: where (a > 0)
  24   end where ! { dg-error "Expected block name of .... in END WHERE statement" }
  25   end where w1
  26
  27   f1: forall (i = 1:10)
  28   end forall ! { dg-error "Expected block name of .... in END FORALL statement" }
  29   end forall f1
  30
  31   ! A construct name may not appear in the END statement, if it
  32   ! doesn't appear in the statement beginning the block.
  33   ! Likewise it may not appear in ELSE IF, ELSE, ELSEWHERE or CASE
  34   ! statements.
  35   do i=1,10
  36   end do d2 ! { dg-error "Syntax error in END DO statement" }
  37   end do
  38
  39   if (i > 0) then
  40   else if (i ==0) then i2 ! { dg-error "Unexpected junk after ELSE IF statement" }
  41   else i2 ! { dg-error "Unexpected junk after ELSE statement" }
  42   end if i2 ! { dg-error "Syntax error in END IF statement" }
  43   end if
  44
  45   select case (i)
  46   case (1) s2  ! { dg-error "Syntax error in CASE specification" }
  47   case default s2 ! { dg-error "Syntax error in CASE specification" }
  48   end select s2 ! { dg-error "Syntax error in END SELECT statement" }
  49   end select
  50
  51   where (a > 0)
  52   elsewhere w2  ! { dg-error "Unexpected junk after ELSE statement" }
  53   end where w2 ! { dg-error "Syntax error in END WHERE statement" }
  54   end where
  55
  56   forall (i=1:10)
  57   end forall f2 ! { dg-error "Syntax error in END FORALL statement" }
  58   end forall
  59
  60 end program blocks