1 files changed, 50 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.fortran/udr4.f90 b/libgomp/testsuite/libgomp.fortran/udr4.f90
new file mode 100644
index 00000000000..89365476af7
--- /dev/null
+++ b/libgomp/testsuite/libgomp.fortran/udr4.f90
@@ -0,0 +1,50 @@
+! { dg-do run }
+
+!$omp declare reduction (foo : character(kind=1, len=*) &
+!$omp & : omp_out = fn (omp_out, omp_in)) initializer (omp_priv = '')
+!$omp declare reduction (bar : character(kind=1, len=:) &
+!$omp & : omp_out = fn (omp_in, omp_out)) initializer (omp_priv = '')
+!$omp declare reduction (baz : character(kind=1, len=1) &
+!$omp & : omp_out = char (ichar (omp_out) + ichar (omp_in) &
+!$omp & - ichar ('0'))) initializer (omp_priv = '0')
+!$omp declare reduction (baz : character(kind=1, len=2) &
+!$omp & : omp_out = char (ichar (omp_out(1:1)) + ichar (omp_in(1:1)) &
+!$omp & - ichar ('0')) // char (ichar (omp_out(2:2)) + &
+!$omp & ichar (omp_in(2:2)) - ichar ('0'))) initializer (omp_priv = '00')
+  interface
+    elemental function fn (x, y)
+      character (len=64), intent (in) :: x, y
+      character (len=64) :: fn
+    end function
+  end interface
+  character(kind=1, len=64) :: c(-3:-2,1:1,7:8), d(2:3,-7:-5)
+  character(kind = 1, len=1) :: e(2:4)
+  character(kind = 1, len=1+1) :: f(8:10,9:10)
+  integer :: i, j, k
+  c = ''
+  d = ''
+  e = '0'
+  f = '00'
+!$omp parallel do reduction (foo : c) reduction (bar : d) &
+!$omp & reduction (baz : e, f) private (j, k)
+  do i = 1, 64
+    forall (j = -3:-2, k = 7:8) &
+      c(j,1,k) = trim(c(j,1,k)) // char (ichar ('0') + i)
+    d = char (ichar ('0') + i) // d
+    e = char (ichar (e) + mod (i, 3))
+    f = char (ichar (f(:,:)(1:1)) + mod (i, 2)) &
+&	// char (ichar (f(:,:)(2:2)) + mod (i, 3))
+  end do
+  do i = 1, 64
+    if (any (index (c, char (ichar ('0') + i)) .eq. 0)) call abort
+    if (any (index (d, char (ichar ('0') + i)) .eq. 0)) call abort
+  end do
+  if (any (e.ne.char (ichar ('0') + 64))) call abort
+  if (any (f(:,:)(1:1).ne.char (ichar ('0') + 32))) call abort
+  if (any (f(:,:)(2:2).ne.char (ichar ('0') + 64))) call abort
+end
+elemental function fn (x, y)
+  character (len=64), intent (in) :: x, y
+  character (len=64) :: fn
+  fn = trim(x) // y
+end function