1 files changed, 70 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/c_assoc.f90 b/gcc/testsuite/gfortran.dg/c_assoc.f90
new file mode 100644
index 000000000..7b34663a3
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/c_assoc.f90
@@ -0,0 +1,70 @@
+! { dg-do run }
+! { dg-additional-sources test_c_assoc.c }
+module c_assoc
+  use, intrinsic :: iso_c_binding
+  implicit none
+
+contains
+
+  function test_c_assoc_0(my_c_ptr) bind(c)
+    use, intrinsic :: iso_c_binding, only: c_ptr, c_int, c_associated
+    integer(c_int) :: test_c_assoc_0
+    type(c_ptr), value :: my_c_ptr
+
+    if(c_associated(my_c_ptr)) then
+       test_c_assoc_0 = 1
+    else
+       test_c_assoc_0 = 0
+    endif
+  end function test_c_assoc_0
+
+  function test_c_assoc_1(my_c_ptr_1, my_c_ptr_2) bind(c)
+    use, intrinsic :: iso_c_binding, only: c_ptr, c_int, c_associated
+    integer(c_int) :: test_c_assoc_1
+    type(c_ptr), value :: my_c_ptr_1
+    type(c_ptr), value :: my_c_ptr_2
+
+    if(c_associated(my_c_ptr_1, my_c_ptr_2)) then
+       test_c_assoc_1 = 1
+    else
+       test_c_assoc_1 = 0
+    endif
+  end function test_c_assoc_1
+
+  function test_c_assoc_2(my_c_ptr_1, my_c_ptr_2, num_ptrs) bind(c)
+    integer(c_int) :: test_c_assoc_2
+    type(c_ptr), value :: my_c_ptr_1
+    type(c_ptr), value :: my_c_ptr_2
+    integer(c_int), value :: num_ptrs
+    
+    if(num_ptrs .eq. 1) then
+       if(c_associated(my_c_ptr_1)) then
+          test_c_assoc_2 = 1
+       else
+          test_c_assoc_2 = 0
+       endif
+    else
+       if(c_associated(my_c_ptr_1, my_c_ptr_2)) then
+          test_c_assoc_2 = 1
+       else
+          test_c_assoc_2 = 0
+       endif
+    endif
+  end function test_c_assoc_2
+
+  subroutine verify_assoc(my_c_ptr_1, my_c_ptr_2) bind(c)
+    type(c_ptr), value :: my_c_ptr_1
+    type(c_ptr), value :: my_c_ptr_2
+
+    if(.not. c_associated(my_c_ptr_1)) then
+       call abort()
+    else if(.not. c_associated(my_c_ptr_2)) then
+       call abort()
+    else if(.not. c_associated(my_c_ptr_1, my_c_ptr_2)) then
+       call abort()
+    endif
+  end subroutine verify_assoc
+  
+end module c_assoc
+
+! { dg-final { cleanup-modules "c_assoc" } }