Update example notes to clarify system linker's role.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35597 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/LinkTimeOptimization.html b/docs/LinkTimeOptimization.html
index a79efa8..2750d10 100644
--- a/docs/LinkTimeOptimization.html
+++ b/docs/LinkTimeOptimization.html
@@ -83,7 +83,9 @@
<div class="doc_text">
<p>The following example illustrates the advantages of LTO's integrated
- approach and clean interface.</p>
+ approach and clean interface. This example requires optimization support,
+ using interface described in this document, from system linker. Here,
+ llvm-gcc4 transparantly invokes system linker. </p>
<ul>
<li> Input source file <tt>a.c</tt> is compiled into LLVM byte code form.
<li> Input source file <tt>main.c</tt> is compiled into native object code.