File: canondo12.f90

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! Error test -- DO loop uses obsolete loop termination statement (warning)
! See R1131 and C1133

! By default, this is not an error and label do are rewritten to non-label do.
! A warning is generated with -pedantic

! RUN: %flang_fc1 -fdebug-unparse-with-symbols -pedantic %s 2>%t.stderr | FileCheck %s

! CHECK: end do

! The following CHECK-NOT actively uses the fact that the leading zero of labels
! would be removed in the unparse but not the line linked to warnings. We do
! not want to see label do in the unparse only.
! CHECK-NOT: do [1-9]

! RUN: FileCheck --check-prefix=ERR --input-file=%t.stderr %s
! ERR: A DO loop should terminate with an END DO or CONTINUE

subroutine foo4()
  real :: a(10, 10), b(10, 10) = 1.0
  do 01 k=1,4
    block
      real b
      b = a(k, k)
      a(k, k) = k*b
01  end block
end subroutine