1 files changed, 84 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/iso_c_binding_rename_1.f03 b/gcc/testsuite/gfortran.dg/iso_c_binding_rename_1.f03
new file mode 100644
index 000000000..799ba35e9
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/iso_c_binding_rename_1.f03
@@ -0,0 +1,84 @@
+! { dg-do run }
+! { dg-additional-sources iso_c_binding_rename_1_driver.c }
+module iso_c_binding_rename_0
+  use, intrinsic :: iso_c_binding, only: my_c_ptr_0 => c_ptr, &
+       c_associated
+end module iso_c_binding_rename_0
+
+
+module iso_c_binding_rename_1
+  ! rename a couple of the symbols from iso_c_binding.  the compiler 
+  ! needs to be able to recognize the derived types with names different
+  ! from the one in iso_c_binding because it will look up the derived types
+  ! to define the args and return values of some of the procedures in 
+  ! iso_c_binding.  this should verify that this functionality works.
+  use, intrinsic :: iso_c_binding, my_c_int => c_int, my_c_ptr => c_ptr, &
+       my_c_associated => c_associated, my_c_f_pointer => c_f_pointer
+
+contains
+  subroutine sub0(my_int) bind(c)
+    integer(my_c_int), value :: my_int
+    if(my_int .ne. 1) then
+       call abort()
+    end if
+  end subroutine sub0
+
+  subroutine sub1(my_ptr) bind(c)
+    type(my_c_ptr), value :: my_ptr
+
+    if(.not. my_c_associated(my_ptr)) then
+       call abort()
+    end if
+  end subroutine sub1
+
+  subroutine sub2(my_int, my_long) bind(c)
+    use, intrinsic :: iso_c_binding, my_c_int_2 => c_int, &
+         my_c_long_2 => c_long
+    integer(my_c_int_2), value :: my_int
+    integer(my_c_long_2), value :: my_long
+
+    if(my_int .ne. 1) then
+       call abort()
+    end if
+    if(my_long .ne. 1) then
+       call abort()
+    end if
+  end subroutine sub2
+
+  subroutine sub3(cptr1, cptr2) bind(c)
+    type(my_c_ptr), value :: cptr1
+    type(my_c_ptr), value :: cptr2
+    integer(my_c_int), pointer :: my_f90_c_ptr
+
+    if(.not. my_c_associated(cptr1)) then
+       call abort()
+    end if
+
+    if(.not. my_c_associated(cptr1, cptr2)) then
+       call abort()
+    end if
+
+    call my_c_f_pointer(cptr1, my_f90_c_ptr)
+  end subroutine sub3
+
+  subroutine sub4(cptr1, cptr2) bind(c)
+    ! rename the my_c_ptr_0 from iso_c_binding_rename_0 just to further test
+    ! both are actually aliases to c_ptr
+    use iso_c_binding_rename_0, my_c_ptr_local => my_c_ptr_0, &
+         my_c_associated_2 => c_associated
+
+    implicit none
+    type(my_c_ptr_local), value :: cptr1
+    type(my_c_ptr_local), value :: cptr2
+
+    if(.not. my_c_associated_2(cptr1)) then
+       call abort()
+    end if
+    
+    if(.not. my_c_associated_2(cptr2)) then
+       call abort()
+    end if
+  end subroutine sub4
+end module iso_c_binding_rename_1
+
+! { dg-final { cleanup-modules "iso_c_binding_rename_0 iso_c_binding_rename_1" } }