Merge pull request #33360 from compnerd/stable-abi-check

test: use the `swift_only_stable_abi` feature instead of adhoc checks

Author: compnerd

test/IRGen/class_update_callback_without_fixed_layout.sil

@@ -5,8 +5,7 @@
 // RUN: %target-swift-frontend  -I %t -emit-ir -enable-library-evolution -O %s -target %target-pre-stable-abi-triple
 
 // REQUIRES: objc_interop
-// UNSUPPORTED: OS=iosmac
-// UNSUPPORTED: CPU=arm64 || CPU=arm64e
+// UNSUPPORTED: swift_only_stable_abi
 
 // With the old deployment target, these classes use the 'singleton' metadata
 // initialization pattern. The class is not statically visible to Objective-C,

test/IRGen/eager-class-initialization.swift

@@ -3,8 +3,7 @@
 // RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) %s -emit-ir -target %target-pre-stable-abi-triple | %FileCheck %s -DINT=i%target-ptrsize --check-prefix=CHECK --check-prefix=CHECK-OLD
 
 // REQUIRES: objc_interop
-// UNSUPPORTED: OS=iosmac
-// UNSUPPORTED: CPU=arm64 || CPU=arm64e
+// UNSUPPORTED: swift_only_stable_abi
 
 // See also eager-class-initialization-stable-abi.swift, for the stable ABI
 // deployment target test.

test/decl/protocol/conforms/nscoding.swift

@@ -8,7 +8,7 @@
 // RUN: %FileCheck --check-prefix=NEGATIVE %s < %t/old.ast
 
 // REQUIRES: objc_interop
-// UNSUPPORTED: CPU=arm64e
+// UNSUPPORTED: swift_only_stable_abi
 
 // See also nscoding_stable_abi.swift, for the stable ABI deployment
 // target test.