From f416535768fc30195cad6cd481f73fd1e80082aa Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Fri, 18 Dec 2020 18:30:06 -0700
Subject: [PATCH] work around compiler bug regarding generic function slice
 alignment

See #7495
---
 lib/std/crypto/tlcsprng.zig | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/std/crypto/tlcsprng.zig b/lib/std/crypto/tlcsprng.zig
index 384216a81b..ee71d6f13e 100644
--- a/lib/std/crypto/tlcsprng.zig
+++ b/lib/std/crypto/tlcsprng.zig
@@ -117,7 +117,9 @@ fn setupPthreadAtforkAndFill(buffer: []u8) void {
 }
 
 fn childAtForkHandler() callconv(.C) void {
-    const wipe_slice = @ptrCast([*]u8, &wipe_me)[0..@sizeOf(@TypeOf(wipe_me))];
+    // TODO this is a workaround for https://github.com/ziglang/zig/issues/7495
+    var wipe_slice: []u8 = undefined;
+    wipe_slice = @ptrCast([*]u8, &wipe_me)[0..@sizeOf(@TypeOf(wipe_me))];
     std.crypto.utils.secureZero(u8, wipe_slice);
 }