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-rw-r--r--include/clang/Analysis/CFG.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/clang/Analysis/CFG.h b/include/clang/Analysis/CFG.h
index 53ed705b95..ca46459afd 100644
--- a/include/clang/Analysis/CFG.h
+++ b/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;