gcc/testsuite/gfortran.dg/temporary_1.f90

   1 ! { dg-do run }
   2 ! PR 27662. Don't zero the first stride to indicate a temporary. It
   3 ! may be used later.
   4 program pr27662
   5  implicit none
   6  real(kind=kind(1.0d0)), dimension (2, 2):: x, y, z;
   7  integer i, j
   8  x(1,1) = 1.d0
   9  x(2,1) = 0.d0
  10  x(1,2) = 0.d0
  11  x(2,2) = 1.d0
  12  z = matmul (x, transpose (test ()))
  13  do i = 1, size (x, 1)
  14    do j = 1, size (x, 2)
  15      if (x (i, j) .ne. z (i, j)) STOP 1
  16    end do
  17  end do
  18
  19 contains
  20  function test () result (res)
  21    real(kind=kind(1.0d0)), dimension(2,2) :: res
  22    res(1,1) = 1.d0
  23    res(2,1) = 0.d0
  24    res(1,2) = 0.d0
  25    res(2,2) = 1.d0
  26  end function
  27 end