Add a link to the GC doc


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13708 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/index.html b/docs/index.html
index 2429b86..26388bc 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -105,6 +105,7 @@
 <li><a href="ProgrammersManual.html">LLVM Programmers Manual</a></li>
 <li><a href="WritingAnLLVMPass.html">Writing an LLVM Pass</a></li>
 <li><a href="AliasAnalysis.html">Alias Analysis in LLVM</a></li>
+<li><a href="GarbageCollection.html">Accurate Garbage Collection with LLVM</a></li>
 <li><a href="SourceLevelDebugging.html">Source Level Debugging with
 LLVM</a></li>
 <li><a href="TableGenFundamentals.html">TableGen Fundamentals</a></li>