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, 45 deletions

diff --git a/gcc-4.8.1/libgo/runtime/go-assert-interface.c b/gcc-4.8.1/libgo/runtime/go-assert-interface.c
deleted file mode 100644
index 2510f9aef..000000000
--- a/gcc-4.8.1/libgo/runtime/go-assert-interface.c
+++ /dev/null
@@ -1,45 +0,0 @@
-/* go-assert-interface.c -- interface type assertion for Go.
-
-   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-alloc.h"
-#include "go-assert.h"
-#include "go-panic.h"
-#include "go-type.h"
-#include "interface.h"
-
-/* This is called by the compiler to implement a type assertion from
-   one interface type to another.  This returns the value that should
-   go in the first field of the result tuple.  The result may be an
-   empty or a non-empty interface.  */
-
-const void *
-__go_assert_interface (const struct __go_type_descriptor *lhs_descriptor,
-		       const struct __go_type_descriptor *rhs_descriptor)
-{
-  const struct __go_interface_type *lhs_interface;
-
-  if (rhs_descriptor == NULL)
-    {
-      struct __go_empty_interface panic_arg;
-
-      /* A type assertion is not permitted with a nil interface.  */
-
-      runtime_newTypeAssertionError (NULL, NULL, lhs_descriptor->__reflection,
-				     NULL, &panic_arg);
-      __go_panic (panic_arg);
-    }
-
-  /* A type assertion to an empty interface just returns the object
-     descriptor.  */
-
-  __go_assert (lhs_descriptor->__code == GO_INTERFACE);
-  lhs_interface = (const struct __go_interface_type *) lhs_descriptor;
-  if (lhs_interface->__methods.__count == 0)
-    return rhs_descriptor;
-
-  return __go_convert_interface_2 (lhs_descriptor, rhs_descriptor, 0);
-}