Testcase for PR2437.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64131 91177308-0d34-0410-b5e6-96231b3b80d8

test/FrontendFortran/2009-02-09-FloorDivExpr.f90

@@ -0,0 +1,32 @@
+! RUN: %llvmgcc -c %s
+! PR2437
+program main
+  implicit none
+  call build (77)
+contains
+  subroutine build (order)
+    integer :: order, i, j
+
+
+    call test (1, order, 3,  (/ (i, i = 1, order, 3) /))
+    call test (order, 1, -3, (/ (i, i = order, 1, -3) /))
+
+    do j = -10, 10
+      call test (order + j, order, 5,  (/ (i, i = order + j, order, 5) /))
+      call test (order + j, order, -5, (/ (i, i = order + j, order, -5) /))
+    end do
+
+  end subroutine build
+
+  subroutine test (from, to, step, values)
+    integer, dimension (:) :: values
+    integer :: from, to, step, last, i
+
+    last = 0
+    do i = from, to, step
+      last = last + 1
+      if (values (last) .ne. i) call abort
+    end do
+    if (size (values, dim = 1) .ne. last) call abort
+  end subroutine test
+end program main