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, 35 insertions, 0 deletions

diff --git a/gcc/testsuite/gfortran.dg/interface_abstract_4.f90 b/gcc/testsuite/gfortran.dg/interface_abstract_4.f90
new file mode 100644
index 000000000..50f101577
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/interface_abstract_4.f90
@@ -0,0 +1,35 @@
+! { dg-do compile }
+!
+! PR 41873: Bogus Error: ABSTRACT INTERFACE must not be referenced...
+!
+! Contributed by Harald Anlauf <anlauf@gmx.de>
+
+  implicit none
+
+  type, abstract :: abstype
+  contains
+    procedure(f), nopass, deferred :: f_bound
+    procedure(s), nopass, deferred :: s_bound
+  end type
+
+  abstract interface
+    real function f ()
+    end function
+  end interface
+
+  abstract interface
+    subroutine s
+    end subroutine
+  end interface
+
+contains
+
+  subroutine cg (c)
+    class(abstype) :: c
+    print *, f()             ! { dg-error "must not be referenced" }
+    call s                   ! { dg-error "must not be referenced" }
+    print *, c%f_bound ()
+    call c%s_bound ()
+  end subroutine
+
+end