From 5a9696fad864406d7d65cc25e356c543957e596f Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Tue, 11 Oct 2016 10:29:43 -0400
Subject: [PATCH] Fix a new compilation warning with broken-mulodi i386 clang
 builds. :(

---
 src/ext/mulodi/mulodi4.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/ext/mulodi/mulodi4.c b/src/ext/mulodi/mulodi4.c
index bfa5e0129..9891bbf1a 100644
--- a/src/ext/mulodi/mulodi4.c
+++ b/src/ext/mulodi/mulodi4.c
@@ -17,6 +17,7 @@
 #else
 #define COMPILER_RT_ABI
 #define di_int int64_t
+#define di_uint uint64_t
 #include "torint.h"
 
 di_int __mulodi4(di_int a, di_int b, int* overflow);
@@ -30,9 +31,9 @@ COMPILER_RT_ABI di_int
 __mulodi4(di_int a, di_int b, int* overflow)
 {
     const int N = (int)(sizeof(di_int) * CHAR_BIT);
-    const di_int MIN = (di_int)1 << (N-1);
+    const di_int MIN = (di_int) ((di_uint)1 << (N-1));
     const di_int MAX = ~MIN;
-    *overflow = 0; 
+    *overflow = 0;
     di_int result = a * b;
     if (a == MIN)
     {