Update 4.8.1 to 4.8.3.

My previous drop was the wrong version. The platform mingw is
currently using 4.8.3, not 4.8.1 (not sure how I got that wrong).

From ftp://ftp.gnu.org/gnu/gcc/gcc-4.8.3/gcc-4.8.3.tar.bz2.

Bug: http://b/26523949
Change-Id: Id85f1bdcbbaf78c7d0b5a69e74c798a08f341c35

1 files changed, 0 insertions, 46 deletions

diff --git a/gcc-4.8.1/libgo/runtime/go-check-interface.c b/gcc-4.8.1/libgo/runtime/go-check-interface.c
deleted file mode 100644
index c29971ada..000000000
--- a/gcc-4.8.1/libgo/runtime/go-check-interface.c
+++ /dev/null
@@ -1,46 +0,0 @@
-/* go-check-interface.c -- check an interface type for a conversion
-
-   Copyright 2010 The Go Authors. All rights reserved.
-   Use of this source code is governed by a BSD-style
-   license that can be found in the LICENSE file.  */
-
-#include "runtime.h"
-#include "go-panic.h"
-#include "go-type.h"
-#include "interface.h"
-
-/* Check that an interface type matches for a conversion to a
-   non-interface type.  This panics if the types are bad.  The actual
-   extraction of the object is inlined.  */
-
-void
-__go_check_interface_type (
-    const struct __go_type_descriptor *lhs_descriptor,
-    const struct __go_type_descriptor *rhs_descriptor,
-    const struct __go_type_descriptor *rhs_inter_descriptor)
-{
-  if (rhs_descriptor == NULL)
-    {
-      struct __go_empty_interface panic_arg;
-
-      runtime_newTypeAssertionError(NULL, NULL, lhs_descriptor->__reflection,
-				    NULL, &panic_arg);
-      __go_panic(panic_arg);
-    }
-
-  if (lhs_descriptor != rhs_descriptor
-      && !__go_type_descriptors_equal (lhs_descriptor, rhs_descriptor)
-      && (lhs_descriptor->__code != GO_UNSAFE_POINTER
-	  || !__go_is_pointer_type (rhs_descriptor))
-      && (rhs_descriptor->__code != GO_UNSAFE_POINTER
-	  || !__go_is_pointer_type (lhs_descriptor)))
-    {
-      struct __go_empty_interface panic_arg;
-
-      runtime_newTypeAssertionError(rhs_inter_descriptor->__reflection,
-				    rhs_descriptor->__reflection,
-				    lhs_descriptor->__reflection,
-				    NULL, &panic_arg);
-      __go_panic(panic_arg);
-    }
-}