From bf7553889594886213e05cd3f94a6d6f7747bf7b Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Fri, 25 Jan 2008 19:16:19 +0000
Subject: [PATCH] fix isIntegerConstantExpr evaluation of unary !.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@46364 91177308-0d34-0410-b5e6-96231b3b80d8
---
 AST/Expr.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/AST/Expr.cpp b/AST/Expr.cpp
index becce2a622..51aa09c6ba 100644
--- a/AST/Expr.cpp
+++ b/AST/Expr.cpp
@@ -703,7 +703,7 @@ bool Expr::isIntegerConstantExpr(llvm::APSInt &Result, ASTContext &Ctx,
       }
       break;
     case UnaryOperator::LNot: {
-      bool Val = Result != 0;
+      bool Val = Result == 0;
       Result.zextOrTrunc(
         static_cast<uint32_t>(Ctx.getTypeSize(getType(),
                                               Exp->getOperatorLoc())));
-- 
2.50.1