From a0524a8443b153ca36b069f6f49551b1b5df7808 Mon Sep 17 00:00:00 2001
From: Nodir Temirkhodjaev <nodir.temir@gmail.com>
Date: Fri, 11 Jun 2021 16:54:02 +0300
Subject: [PATCH] QSemaphore: Fix warning in 32-bit build
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qtbase\src\corelib\thread\qsemaphore.cpp(157): warning C4293: '>>': shift count negative or too big, undefined behavior

Change-Id: Iddf76e52770576bd57a4630884c0e0d6310cd4ff
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
---
 src/corelib/thread/qsemaphore.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/corelib/thread/qsemaphore.cpp b/src/corelib/thread/qsemaphore.cpp
index 40c51bd8568..dfc179486c8 100644
--- a/src/corelib/thread/qsemaphore.cpp
+++ b/src/corelib/thread/qsemaphore.cpp
@@ -154,7 +154,7 @@ static bool futexNeedsWake(quintptr v)
     // low 31 bits of the high word (that is, bits 32-62). If we're not, then we only
     // use futexNeedsWakeAllBit to indicate anyone is waiting.
     if constexpr (futexHasWaiterCount)
-        return (v >> 32) > (unsigned(v));
+        return unsigned(quint64(v) >> 32) > unsigned(v);
     return v >> 31;
 }