--- /dev/null
+++ dyld/dyld-1335/framework/FilePath+Symlinks.swift
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2024 Apple Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+import System
+
+// Swift's FilePath works completely in process without making syscalls, so it cannot resolve symlinks.
+// This matches dyld's usage, where we need to resolve symlinks iin archives or the shared cache, not
+// an actual filesystem, so we can extended it by passing in a set of symlinks and/or a base path to
+// use resolving a path.
+internal extension FilePath {
+    mutating func resolving(from path: FilePath = "", symlinks:[FilePath:FilePath]? = nil) {
+        if #available(macOS 12.0, *) {
+            self = path.pushing(self)
+            self.lexicallyNormalize()
+            guard let symlinks else { return }
+            for _ in 0..<MAXSYMLINKS {
+                var foundLink = false
+                for (source, target) in symlinks {
+                    guard self.starts(with:source) else { continue }
+                    self.removeLastComponent()
+                    self.push(target)
+                    self.lexicallyNormalize()
+                    foundLink = true
+                }
+                guard foundLink else { break }
+            }
+        } else {
+            fatalError("This is not supported for backdeployment, but needs to build with a reduced minOS in some environments")
+        }
+    }
+    func resolved(from path: FilePath = "", symlinks:[FilePath:FilePath]? = nil) -> FilePath {
+        var result = self
+        result.resolving(from: path, symlinks: symlinks)
+        return result
+    }
+}