From 3e6fe4eb745332918a55fd8b1be97ade5ebe3083 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Thu, 27 May 2010 17:14:10 +0000
Subject: Don't bother clearing the Magic string when the magic number can't be
 read, since it isn't cleared on other error paths.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104852 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/System/Unix/Path.inc | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/System/Unix/Path.inc b/lib/System/Unix/Path.inc
index 74596dc..185f7fd 100644
--- a/lib/System/Unix/Path.inc
+++ b/lib/System/Unix/Path.inc
@@ -421,10 +421,8 @@ bool Path::getMagicNumber(std::string &Magic, unsigned len) const {
     return false;
   ssize_t bytes_read = ::read(fd, Buf, len);
   ::close(fd);
-  if (ssize_t(len) != bytes_read) {
-    Magic.clear();
+  if (ssize_t(len) != bytes_read)
     return false;
-  }
   Magic.assign(Buf, len);
   return true;
 }
-- 
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