Document known xcode 2.3 issue
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28836 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/GettingStarted.html b/docs/GettingStarted.html
index 5297fbf..ac0c2d1 100644
--- a/docs/GettingStarted.html
+++ b/docs/GettingStarted.html
@@ -515,6 +515,9 @@
to a newer version of GCC.</p>
<p><b>IA-64 GCC 4.0.0</b>: The IA-64 version of GCC 4.0.0 is known to
miscompile LLVM.</p>
+<p><b>Apple Xcode 2.3</b>: GCC crashes when compiling LLVM at -O3 (which is the
+ default with ENABLE_OPTIMIZED=1. To work around this, build with
+ "ENABLE_OPTIMIZED=1 OPTIMIZE_OPTION=-O2".</p>
</div>