From 8479dc46f12831c7736ce59b5833e43509899f7d Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Wed, 25 May 2016 10:02:02 -0400
Subject: liblzma: Avoid possible overflow on signed left shift

Use an unsigned value to produce the needed mask.
---
 Utilities/cmliblzma/liblzma/simple/x86.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Utilities/cmliblzma/liblzma/simple/x86.c b/Utilities/cmliblzma/liblzma/simple/x86.c
index 101d8ed..95858e5 100644
--- a/Utilities/cmliblzma/liblzma/simple/x86.c
+++ b/Utilities/cmliblzma/liblzma/simple/x86.c
@@ -103,7 +103,7 @@ x86_code(lzma_simple *simple, uint32_t now_pos, bool is_encoder,
 				if (!Test86MSByte(b))
 					break;
 
-				src = dest ^ ((1 << (32 - i * 8)) - 1);
+				src = dest ^ ((1u << (32 - i * 8)) - 1);
 			}
 
 			buffer[buffer_pos + 4]
-- 
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