From 78036cdd5ccdfc15e68d612ccda37f7df1a08ae7 Mon Sep 17 00:00:00 2001
From: Ted Kremenek <kremenek@apple.com>
Date: Tue, 30 Oct 2007 21:03:09 +0000
Subject: [PATCH] Tightened IgnoreParen.

llvm-svn: 43517
---
 clang/Sema/SemaExpr.cpp | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/clang/Sema/SemaExpr.cpp b/clang/Sema/SemaExpr.cpp
index e5412d41adfb..ac1c440885f9 100644
--- a/clang/Sema/SemaExpr.cpp
+++ b/clang/Sema/SemaExpr.cpp
@@ -1194,13 +1194,8 @@ inline QualType Sema::CheckShiftOperands( // C99 6.5.7
 // Utility method to plow through parentheses to get the first nested
 // non-ParenExpr expr.
 static inline Expr* IgnoreParen(Expr* E) {
-  
-  while (true) {
-    if (ParenExpr* P = dyn_cast<ParenExpr>(E))
-      E = P->getSubExpr();
-    else
-      break;
-  }
+  while (ParenExpr* P = dyn_cast<ParenExpr>(E))
+    E = P->getSubExpr();
   
   return E;
 }