obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

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
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
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1 files changed, 21 insertions, 0 deletions

diff --git a/gcc/testsuite/gfortran.dg/private_type_1.f90 b/gcc/testsuite/gfortran.dg/private_type_1.f90
new file mode 100644
index 000000000..96b2eb4c8
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/private_type_1.f90
@@ -0,0 +1,21 @@
+! { dg-do compile }
+! { dg-options "-std=f95" }
+! PR21986 - test based on original example.
+! A public subroutine must not have private-type, dummy arguments.
+! Contributed by Paul Thomas <pault@gcc.gnu.org>
+module modboom
+  implicit none
+  private
+  public:: dummysub
+  type:: intwrapper
+    integer n
+  end type intwrapper
+contains
+  subroutine dummysub(size, arg_array) ! { dg-error "PRIVATE type and cannot be a dummy argument" }
+   type(intwrapper) :: size
+   real, dimension(size%n) :: arg_array
+   real :: local_array(4)
+  end subroutine dummysub
+end module modboom
+
+! { dg-final { cleanup-modules "modboom" } }