From: Ted Kremenek <kremenek@apple.com>
Date: Thu, 25 Mar 2010 03:59:09 +0000 (+0000)
Subject: Fix '+=' accumulation error when parsing numeric amounts in a format string.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=fdb703ab3a3c28aeb53b3db4c54e14a30d78dc4e;p=clang

Fix '+=' accumulation error when parsing numeric amounts in a format string.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99479 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Analysis/PrintfFormatString.cpp b/lib/Analysis/PrintfFormatString.cpp
index 46acc8a377..c38aae3476 100644
--- a/lib/Analysis/PrintfFormatString.cpp
+++ b/lib/Analysis/PrintfFormatString.cpp
@@ -75,7 +75,7 @@ static OptionalAmount ParseAmount(const char *&Beg, const char *E) {
     char c = *I;
     if (c >= '0' && c <= '9') {
       hasDigits = true;
-      accumulator += (accumulator * 10) + (c - '0');
+      accumulator = (accumulator * 10) + (c - '0');
       continue;
     }