flang/test/Semantics/assign07.f90

   1 ! RUN: %python %S/test_errors.py %s %flang_fc1
   2 ! Test ASSIGN statement, assigned GOTO, and assigned format labels
   3 ! (see subclause 8.2.4 in Fortran 90 (*not* 2018!)
   4
   5 program main
   6   call test(0)
   7 2 format('no')
   8  contains
   9   subroutine test(n)
  10     !ERROR: Label '4' is not a branch target or FORMAT
  11 4   integer, intent(in) :: n
  12     integer :: lab
  13     assign 1 to lab ! ok
  14     assign 1 to implicitlab1 ! ok
  15     !ERROR: Label '666' was not found
  16     assign 666 to lab
  17     !ERROR: Label '2' was not found
  18     assign 2 to lab
  19     assign 4 to lab
  20     if (n==1) goto lab ! ok
  21     if (n==1) goto implicitlab2 ! ok
  22     if (n==1) goto lab(1) ! ok
  23     if (n==1) goto lab,(1) ! ok
  24     if (n==1) goto lab(1,1) ! ok
  25     !ERROR: Label '666' was not found
  26     if (n==1) goto lab(1,666)
  27     !ERROR: Label '2' was not found
  28     if (n==1) goto lab(1,2)
  29     assign 3 to lab
  30     write(*,fmt=lab) ! ok
  31     write(*,fmt=implicitlab3) ! ok
  32 1   continue
  33 3   format('yes')
  34   end subroutine test
  35 end program