From 2fe5f1528fc134ced8c8f2e0a5d5ec3b9f2a44f4 Mon Sep 17 00:00:00 2001
From: Jesse Buhagiar <jooster669@gmail.com>
Date: Sat, 21 Aug 2021 15:08:06 +1000
Subject: [PATCH] AK: Use `__builtin_bit_cast` if available

We now use the compiler's buitin version of bitcast if it's available
instead of just resorting to using the builtin `memcpy`.
---
 AK/BitCast.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/AK/BitCast.h b/AK/BitCast.h
index bed0f9d981e..bb3c28f4141 100644
--- a/AK/BitCast.h
+++ b/AK/BitCast.h
@@ -11,11 +11,15 @@ namespace AK {
 template<typename T, typename U>
 inline T bit_cast(const U& a)
 {
+#if (__has_builtin(__builtin_bit_cast))
+    return __builtin_bit_cast(T, a);
+#else
     static_assert(sizeof(T) == sizeof(U));
 
     T result;
     __builtin_memcpy(&result, &a, sizeof(T));
     return result;
+#endif
 }
 
 }