From 4c628826041ec8edd02bf1352880a594a5a7a7bc Mon Sep 17 00:00:00 2001
From: Ted Kremenek <kremenek@apple.com>
Date: Thu, 28 Apr 2011 06:19:35 +0000
Subject: [PATCH] Add comment to CFGBlock suggested by Jiri Slaby.

llvm-svn: 130387
---
 clang/include/clang/Analysis/CFG.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/clang/include/clang/Analysis/CFG.h b/clang/include/clang/Analysis/CFG.h
index 53ed705b9506..ca46459afd9a 100644
--- a/clang/include/clang/Analysis/CFG.h
+++ b/clang/include/clang/Analysis/CFG.h
@@ -264,6 +264,8 @@ public:
 ///     ? operator      LHS expression;  RHS expression
 ///     &&, ||          expression that uses result of && or ||, RHS
 ///
+/// But note that any of that may be NULL in case of optimized-out edges.
+///
 class CFGBlock {
   class ElementList {
     typedef BumpVector<CFGElement> ImplTy;