Merge remote-tracking branch 'origin/master' into master-rebranch

Author: swift-ci

test/SIL/Parser/available.sil

@@ -1,5 +1,6 @@
 // RUN: %target-sil-opt %s | %FileCheck %s
 // RUN: %target-sil-opt %s | %target-sil-opt | %FileCheck %s
+// UNSUPPORTED: OS=windows-msvc
 
 @available(*,unavailable,message: "it has been renamed")
 public struct mmConstUnsafePointer<T> {

test/SIL/Serialization/available.sil

@@ -3,6 +3,7 @@
 // RUN: %target-sil-opt %s -emit-sib -o %t/tmp.sib -module-name available
 // RUN: %target-sil-opt %t/tmp.sib -o %t/tmp.2.sib -module-name available
 // RUN: %target-sil-opt %t/tmp.2.sib -module-name available | %FileCheck %s
+// UNSUPPORTED: OS=windows-msvc
 
 import Builtin