Merge pull request #73222 from apple/egorzhdan/id-crash-test

[cxx-interop] Add test for an already-fixed IRGen crash

Author: egorzhdan

test/Interop/Cxx/objc-correctness/Inputs/id.h

@@ -0,0 +1,7 @@
+#import <Foundation/Foundation.h>
+
+struct HasIdMember {
+  id i;
+};
+
+HasIdMember getHasIdMember();

test/Interop/Cxx/objc-correctness/Inputs/module.modulemap

@@ -38,3 +38,9 @@ module NSTextCheckingResult {
 module MockPOSIX {
   header "POSIX.h"
 }
+
+module ID {
+  header "id.h"
+  requires objc
+  requires cplusplus
+}

test/Interop/Cxx/objc-correctness/id-irgen.swift

@@ -0,0 +1,7 @@
+// RUN: %target-swift-emit-ir -I %S/Inputs -cxx-interoperability-mode=default %s
+
+// REQUIRES: objc_interop
+
+import ID
+
+let v = getHasIdMember()