From 08871b56bc4db884ce127deb0ea247e740efe813 Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey.vfx@gmail.com>
Date: Fri, 18 Jan 2019 19:45:39 +0100
Subject: Fix T60627: Cycles render hanging on Windows with threadripper CPU.

---
 intern/numaapi/source/numaapi_win32.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/intern/numaapi/source/numaapi_win32.c b/intern/numaapi/source/numaapi_win32.c
index e278ef612fd..8f1137a7bea 100644
--- a/intern/numaapi/source/numaapi_win32.c
+++ b/intern/numaapi/source/numaapi_win32.c
@@ -163,7 +163,7 @@ NUMAAPI_Result numaAPI_Initialize(void) {
 ////////////////////////////////////////////////////////////////////////////////
 // Internal helpers.
 
-static int countNumSetBits(int64_t mask) {
+static int countNumSetBits(ULONGLONG mask) {
   // TODO(sergey): There might be faster way calculating number of set bits.
   int num_bits = 0;
   while (mask != 0) {
-- 
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