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verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
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1 files changed, 104 insertions, 0 deletions

diff --git a/gcc/testsuite/gfortran.dg/cray_pointers_9.f90 b/gcc/testsuite/gfortran.dg/cray_pointers_9.f90
new file mode 100644
index 000000000..81bcb199a
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/cray_pointers_9.f90
@@ -0,0 +1,104 @@
+! { dg-do compile }
+! { dg-options "-fcray-pointer" }
+!
+! Test the fix for PR36703 in which the Cray pointer was not passed
+! correctly so that the call to 'fun' at line 102 caused an ICE.
+!
+! Contributed by James van Buskirk on com.lang.fortran
+! http://groups.google.com/group/comp.lang.fortran/msg/b600c081a3654936
+! Reported by Tobias Burnus  <burnus@gcc.gnu.org>
+!
+module funcs
+   use ISO_C_BINDING           ! Added this USE statement
+   implicit none
+! Interface block for function program fptr will invoke
+! to get the C_FUNPTR
+   interface
+      function get_proc(mess) bind(C,name='BlAh')
+         use ISO_C_BINDING
+         implicit none
+         character(kind=C_CHAR) mess(*)
+         type(C_FUNPTR) get_proc
+      end function get_proc
+   end interface
+end module funcs
+
+module other_fun
+   use ISO_C_BINDING
+   implicit none
+   private
+! Message to be returned by procedure pointed to
+! by the C_FUNPTR
+   character, allocatable, save :: my_message(:)
+! Interface block for the procedure pointed to
+! by the C_FUNPTR
+   public abstract_fun
+   abstract interface
+      function abstract_fun(x)
+         use ISO_C_BINDING
+         import my_message
+         implicit none
+         integer(C_INT) x(:)
+         character(size(my_message),C_CHAR) abstract_fun(size(x))
+      end function abstract_fun
+   end interface
+   contains
+! Procedure to store the message and get the C_FUNPTR
+      function gp(message) bind(C,name='BlAh')
+         character(kind=C_CHAR) message(*)
+         type(C_FUNPTR) gp
+         integer(C_INT64_T) i
+
+         i = 1
+         do while(message(i) /= C_NULL_CHAR)
+            i = i+1
+         end do
+	 allocate (my_message(i+1))      ! Added this allocation
+         my_message = message(int(1,kind(i)):i-1)
+         gp = get_funloc(make_mess,aux)
+      end function gp
+
+! Intermediate procedure to pass the function and get
+! back the C_FUNPTR
+      function get_funloc(x,y)
+         procedure(abstract_fun) x
+         type(C_FUNPTR) y
+         external y
+         type(C_FUNPTR) get_funloc
+
+         get_funloc = y(x)
+      end function get_funloc
+
+! Procedure to convert the function to C_FUNPTR
+      function aux(x)
+         interface
+            subroutine x() bind(C)
+            end subroutine x
+         end interface
+         type(C_FUNPTR) aux
+
+         aux = C_FUNLOC(x)
+      end function aux
+
+! Procedure pointed to by the C_FUNPTR
+      function make_mess(x)
+         integer(C_INT) x(:)
+         character(size(my_message),C_CHAR) make_mess(size(x))
+
+         make_mess = transfer(my_message,make_mess(1))
+      end function make_mess
+end module other_fun
+
+program fptr
+   use funcs
+   use other_fun
+   implicit none
+   procedure(abstract_fun) fun        ! Removed INTERFACE
+   pointer(p,fun)
+   type(C_FUNPTR) fp
+
+   fp = get_proc('Hello, world'//achar(0))
+   p = transfer(fp,p)
+   write(*,'(a)') fun([1,2,3])
+end program fptr
+! { dg-final { cleanup-modules "funcs other_fun" } }