From 828d2d79fe838dcf747c3d193eb69c089533b0d8 Mon Sep 17 00:00:00 2001
From: Emily <vcs@emily.moe>
Date: Mon, 11 Aug 2025 15:36:06 +0100
Subject: [PATCH] swiftPackages.Foundation: backport patches for modern LLVM

---
 .../development/compilers/swift/foundation/default.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pkgs/development/compilers/swift/foundation/default.nix b/pkgs/development/compilers/swift/foundation/default.nix
index de20db4ce258..e2ada783ea0c 100644
--- a/pkgs/development/compilers/swift/foundation/default.nix
+++ b/pkgs/development/compilers/swift/foundation/default.nix
@@ -28,6 +28,16 @@ stdenv.mkDerivation {
       url = "https://github.com/apple/swift-corelibs-foundation/commit/47260803a108c6e0d639adcebeed3ac6a76e8bcd.patch";
       hash = "sha256-1JUSQW86IHKkBZqxvpk0P8zcSKntzOTNlMoGBfgeT4c=";
     })
+
+    # Fix the build with modern Clang.
+    (fetchpatch {
+      url = "https://github.com/swiftlang/swift-corelibs-foundation/commit/76058114e5f5b47e02dd4441a6389858bb599bd6.patch";
+      hash = "sha256-N/hdTGCWMz092xh3AI28v3b+zjQHRmsb1F/2Q2u/jik=";
+    })
+    (fetchpatch {
+      url = "https://github.com/swiftlang/swift-corelibs-foundation/commit/5f3e896e522ff364780e6330df867e20e26269b4.patch";
+      hash = "sha256-AaBWSysNpZ7NV10RGD4TehZqE0k8Sn+TlhlGw1PiRdI=";
+    })
   ];
 
   outputs = [