1 files changed, 39 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gfortran.dg/class_nameclash.f90 b/gcc-4.9/gcc/testsuite/gfortran.dg/class_nameclash.f90
new file mode 100644
index 000000000..227d86596
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gfortran.dg/class_nameclash.f90
@@ -0,0 +1,39 @@
+! { dg-do run }
+!
+! try to provoke class name clashes in gfc_build_class_symbol
+!
+module test_module
+
+  implicit none
+
+  type, public :: test_p
+    private
+    class (test_p), pointer :: next => null()
+  end type test_p
+
+  type, public :: test
+!   Error in "call do_it (x)" below:
+!   Type mismatch in argument 'x' at (1); passed CLASS(test_p) to CLASS(test)
+    class (test), pointer :: next => null()
+  end type test
+
+contains
+
+  subroutine do_it (x)
+    class (test_p), target :: x
+
+    x%next => x
+    return
+  end subroutine do_it
+
+end module test_module
+
+use test_module
+
+  implicit none
+  class (test_p), pointer :: x
+
+  allocate (x)
+  call do_it (x)
+  deallocate (x)
+end