From 6f375e5604590fc9c23d8a75176feb951de84211 Mon Sep 17 00:00:00 2001
From: Ted Kremenek <kremenek@apple.com>
Date: Wed, 16 Apr 2014 07:26:09 +0000
Subject: -Wunreachable-code: refine recognition of unreachable "sigil" to cope
 with implicit casts in C++.

Fixes <rdar://problem/16631033>.

llvm-svn: 206360
---
 clang/lib/Analysis/ReachableCode.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'clang/lib/Analysis/ReachableCode.cpp')

diff --git a/clang/lib/Analysis/ReachableCode.cpp b/clang/lib/Analysis/ReachableCode.cpp
index 3cc8ae4..8be1af7 100644
--- a/clang/lib/Analysis/ReachableCode.cpp
+++ b/clang/lib/Analysis/ReachableCode.cpp
@@ -139,6 +139,9 @@ static bool isConfigurationValue(const Stmt *S,
   if (!S)
     return false;
 
+  if (const Expr *Ex = dyn_cast<Expr>(S))
+    S = Ex->IgnoreCasts();
+
   // Special case looking for the sigil '()' around an integer literal.
   if (const ParenExpr *PE = dyn_cast<ParenExpr>(S))
     if (!PE->getLocStart().isMacroID())
@@ -146,7 +149,7 @@ static bool isConfigurationValue(const Stmt *S,
                                   IncludeIntegers, true);
 
   if (const Expr *Ex = dyn_cast<Expr>(S))
-    S = Ex->IgnoreParenCasts();
+    S = Ex->IgnoreCasts();
 
   bool IgnoreYES_NO = false;
 
-- 
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