Merge pull request #70778 from kavon/disable-attr-extern-test

temporarily disable test on simulator

Author: kavon

test/attr/attr_extern.swift

@@ -1,5 +1,10 @@
 // RUN: %target-typecheck-verify-swift -enable-experimental-feature Extern -disable-availability-checking
 
+// https://github.com/apple/swift/issues/70776
+// UNSUPPORTED: DARWIN_SIMULATOR=ios
+// UNSUPPORTED: DARWIN_SIMULATOR=tvos
+// UNSUPPORTED: DARWIN_SIMULATOR=watchos
+
 @_extern(wasm, module: "m1", name: "f1")
 func f1(x: Int) -> Int