From 2b066988909948dc3d53d01760bc2d71d32f3feb Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Mon, 2 May 2011 19:34:44 +0000
Subject: Vendor import of llvm trunk r130700:
 http://llvm.org/svn/llvm-project/llvm/trunk@130700

---
 include/llvm/Support/Casting.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'include/llvm/Support/Casting.h')

diff --git a/include/llvm/Support/Casting.h b/include/llvm/Support/Casting.h
index 6bb9806..abb5a9a 100644
--- a/include/llvm/Support/Casting.h
+++ b/include/llvm/Support/Casting.h
@@ -192,8 +192,8 @@ template<class To, class FromTy> struct cast_convert_val<To,FromTy,FromTy> {
 
 // cast<X> - Return the argument parameter cast to the specified type.  This
 // casting operator asserts that the type is correct, so it does not return null
-// on failure.  But it will correctly return NULL when the input is NULL.
-// Used Like this:
+// on failure.  It does not allow a null argument (use cast_or_null for that).
+// It is typically used like this:
 //
 //  cast<Instruction>(myVal)->getParent()
 //
-- 
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