From 6e216bea86a40eacf9fad3bf4139785278c1560b Mon Sep 17 00:00:00 2001
From: Alexander Potapenko <glider@google.com>
Date: Wed, 30 May 2012 15:28:45 +0000
Subject: [PATCH] Fix a bug in parsing boolean flags: we used to take the first
 char of the key=value string instead of the first character of the value.

llvm-svn: 157692
---
 compiler-rt/lib/asan/asan_rtl.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/compiler-rt/lib/asan/asan_rtl.cc b/compiler-rt/lib/asan/asan_rtl.cc
index 19e1d9934e30..cc1d9b96578b 100644
--- a/compiler-rt/lib/asan/asan_rtl.cc
+++ b/compiler-rt/lib/asan/asan_rtl.cc
@@ -289,8 +289,9 @@ static void BoolFlagValue(const char *flags, const char *flag,
   if (!flags) return;
   const char *str = internal_strstr(flags, flag);
   if (!str) return;
+  const char *suffix = str + internal_strlen(flag);
   if (!internal_atoll(str + internal_strlen(flag))) {
-    if (str[0] == '0') {
+    if (suffix[0] == '0') {
       *out_val = false;
       return;
     }
@@ -298,7 +299,7 @@ static void BoolFlagValue(const char *flags, const char *flag,
     *out_val = true;
     return;
   }
-  switch (str[0]) {
+  switch (suffix[0]) {
     case 'y':
     case 't': {
       *out_val = true;