--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gfortran.dg/move_alloc_12.f90	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,33 @@
+! { dg-do compile }
+!
+! PR fortran/51948
+!
+  type :: t
+  end type t
+contains
+  function func(x, y)
+    class(t) :: y
+    type(t), allocatable :: func
+    type(t), allocatable :: x
+
+    select type (y)
+      type is(t)
+        call move_alloc (x, func)
+    end select
+  end function
+
+  function func2(x, y)
+    class(t) :: y
+    class(t), allocatable :: func2
+    class(t), allocatable :: x
+
+    block
+    block
+    select type (y)
+      type is(t)
+        call move_alloc (x, func2)
+    end select
+    end block
+    end block
+  end function
+end