From 0c44350badde61e554401591086d00db7d54561c Mon Sep 17 00:00:00 2001
From: Rose <83477269+AtariDreams@users.noreply.github.com>
Date: Wed, 1 Nov 2023 15:05:30 -0400
Subject: [PATCH] Use popcount instead of manually counting bits

This should work on Windows too as popcount is one of those intrinsics available on there as well.
---
 Sources/CoreFoundation/CFURL.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/Sources/CoreFoundation/CFURL.c b/Sources/CoreFoundation/CFURL.c
index a974ae1a67..371818dcf9 100644
--- a/Sources/CoreFoundation/CFURL.c
+++ b/Sources/CoreFoundation/CFURL.c
@@ -2375,13 +2375,7 @@ CFURLRef _CFURLCopyFileURL(CFURLRef url)
         // get just the component flag bits
         UInt32 flags = url->_flags & ALL_COMPONENTS_MASK;
         // get the rangeCount -- the number of component flag bits set
-        CFIndex rangeCount = 0;
-        while ( flags != 0 ) {
-            if ( flags & 1 ) {
-                ++rangeCount;
-            }
-            flags >>= 1;
-        }
+        CFIndex rangeCount = __builtin_popcount(flags);
         result = _CFURLAlloc(allocator, rangeCount);
         if ( result ) {
             // copy the URL fields from _flags to _ranges