Update to LLVM 3.5a.

Change-Id: Ifadecab779f128e62e430c2b4f6ddd84953ed617
diff --git a/docs/GarbageCollection.rst b/docs/GarbageCollection.rst
index 73bc5ee..323a6ea 100644
--- a/docs/GarbageCollection.rst
+++ b/docs/GarbageCollection.rst
@@ -500,8 +500,7 @@
 
 * The stack map is not compiled into the executable.
 
-Using the LLVM makefiles (like the `sample project
-<http://llvm.org/viewvc/llvm-project/llvm/trunk/projects/sample/>`__), this code
+Using the LLVM makefiles, this code
 can be compiled as a plugin using a simple makefile:
 
 .. code-block:: make