Merge pull request #75768 from kubamracek/embedded-string-switch

[embedded] Add StringSwitch.swift to the embedded stdlib

Author: kubamracek

stdlib/public/core/BridgeStorage.swift

@@ -178,7 +178,9 @@ internal struct _BridgeStorage<NativeClass: AnyObject> {
   @inlinable
   @inline(__always)
   internal init(native: Native) {
+    #if !$Embedded
     _internalInvariant(_usesNativeSwiftReferenceCounting(NativeClass.self))
+    #endif
     rawValue = native
   }
 

stdlib/public/core/CMakeLists.txt

@@ -179,7 +179,7 @@ split_embedded_sources(
   EMBEDDED StringRangeReplaceableCollection.swift
   EMBEDDED StringStorage.swift
   EMBEDDED StringStorageBridge.swift
-    NORMAL StringSwitch.swift
+  EMBEDDED StringSwitch.swift
   EMBEDDED StringTesting.swift
   EMBEDDED StringUnicodeScalarView.swift
   EMBEDDED StringUTF16View.swift

test/embedded/string-switch.swift

@@ -0,0 +1,18 @@
+// RUN: %target-run-simple-swift(-enable-experimental-feature Embedded -wmo -Xlinker %swift_obj_root/lib/swift/embedded/%target-cpu-apple-macos/libswiftUnicodeDataTables.a) | %FileCheck %s
+
+// REQUIRES: swift_in_compiler
+// REQUIRES: executable_test
+// REQUIRES: optimized_stdlib
+// REQUIRES: OS=macosx
+
+enum MyEnum: String {
+    case foo
+    case bar
+}
+
+var e = MyEnum.foo
+print(e.rawValue)
+e = MyEnum.bar
+print(e.rawValue)
+// CHECK: foo
+// CHECK: bar