From cf0081540be330c8f55b5744532d69dbb4e8fa99 Mon Sep 17 00:00:00 2001
From: zooster <r00ster91@proton.me>
Date: Mon, 28 Nov 2022 17:46:16 +0100
Subject: [PATCH] std.Thread.Futex.PosixImpl.Address.from: fix `alignment` type

Fixes #13673
---
 lib/std/Thread/Futex.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/std/Thread/Futex.zig b/lib/std/Thread/Futex.zig
index 58f49c483ecd..15ef35698e91 100644
--- a/lib/std/Thread/Futex.zig
+++ b/lib/std/Thread/Futex.zig
@@ -721,7 +721,7 @@ const PosixImpl = struct {
             // then cut off the zero bits from the alignment to get the unique address.
             const addr = @ptrToInt(ptr);
             assert(addr & (alignment - 1) == 0);
-            return addr >> @ctz(alignment);
+            return addr >> @ctz(@as(usize, alignment));
         }
     };