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, 97 insertions, 0 deletions

diff --git a/libgo/runtime/go-unsafe-pointer.c b/libgo/runtime/go-unsafe-pointer.c
new file mode 100644
index 000000000..804360f8a
--- /dev/null
+++ b/libgo/runtime/go-unsafe-pointer.c
@@ -0,0 +1,97 @@
+/* go-unsafe-pointer.c -- unsafe.Pointer type descriptor for Go.
+
+   Copyright 2009 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 <stddef.h>
+
+#include "go-string.h"
+#include "go-type.h"
+
+/* This file provides the type descriptor for the unsafe.Pointer type.
+   The unsafe package is defined by the compiler itself, which means
+   that there is no package to compile to define the type
+   descriptor.  */
+
+extern const struct __go_type_descriptor unsafe_Pointer
+  asm ("__go_tdn_libgo_unsafe.unsafe.Pointer");
+
+/* Used to determine the field alignment.  */
+struct field_align
+{
+  char c;
+  void *p;
+};
+
+/* The reflection string.  */
+#define REFLECTION "unsafe.Pointer"
+static const struct __go_string reflection_string =
+{
+  (const unsigned char *) REFLECTION,
+  sizeof REFLECTION - 1
+};
+
+const struct __go_type_descriptor unsafe_Pointer =
+{
+  /* __code */
+  GO_UNSAFE_POINTER,
+  /* __align */
+  __alignof (void *),
+  /* __field_align */
+  offsetof (struct field_align, p) - 1,
+  /* __size */
+  sizeof (void *),
+  /* __hash */
+  78501163U,
+  /* __hashfn */
+  __go_type_hash_identity,
+  /* __equalfn */
+  __go_type_equal_identity,
+  /* __reflection */
+  &reflection_string,
+  /* __uncommon */
+  NULL
+};
+
+/* We also need the type descriptor for the pointer to unsafe.Pointer,
+   since any package which refers to that type descriptor will expect
+   it to be defined elsewhere.  */
+
+extern const struct __go_ptr_type pointer_unsafe_Pointer
+  asm ("__go_td_pN27_libgo_unsafe.unsafe.Pointer");
+
+/* The reflection string.  */
+#define PREFLECTION "*unsafe.Pointer"
+static const struct __go_string preflection_string =
+{
+  (const unsigned char *) PREFLECTION,
+  sizeof PREFLECTION - 1,
+};
+
+const struct __go_ptr_type pointer_unsafe_Pointer =
+{
+  /* __common */
+  {
+    /* __code */
+    GO_PTR,
+    /* __align */
+    __alignof (void *),
+    /* __field_align */
+    offsetof (struct field_align, p) - 1,
+    /* __size */
+    sizeof (void *),
+    /* __hash */
+    1256018616U,
+    /* __hashfn */
+    __go_type_hash_identity,
+    /* __equalfn */
+    __go_type_equal_identity,
+    /* __reflection */
+    &preflection_string,
+    /* __uncommon */
+    NULL
+  },
+  /* __element_type */
+  &unsafe_Pointer
+};