From 6541c7988b83b30b2590ca6b3e23585ae04a02a2 Mon Sep 17 00:00:00 2001
From: Richard Trieu <rtrieu@google.com>
Date: Sat, 21 Sep 2019 02:37:10 +0000
Subject: Improve -Wtautological-overlap-compare

Allow this warning to detect a larger number of constant values, including
negative numbers, and handle non-int types better.

Differential Revision: https://reviews.llvm.org/D66044

llvm-svn: 372448
---
 clang/lib/Analysis/ReachableCode.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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

diff --git a/clang/lib/Analysis/ReachableCode.cpp b/clang/lib/Analysis/ReachableCode.cpp
index 2fea88e..1dab8e30 100644
--- a/clang/lib/Analysis/ReachableCode.cpp
+++ b/clang/lib/Analysis/ReachableCode.cpp
@@ -247,7 +247,7 @@ static bool isConfigurationValue(const Stmt *S,
     }
     case Stmt::UnaryOperatorClass: {
       const UnaryOperator *UO = cast<UnaryOperator>(S);
-      if (UO->getOpcode() != UO_LNot)
+      if (UO->getOpcode() != UO_LNot && UO->getOpcode() != UO_Minus)
         return false;
       bool SilenceableCondValNotSet =
           SilenceableCondVal && SilenceableCondVal->getBegin().isInvalid();
-- 
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