[K/N][Tests] Migrate test illegal_sharing_with_weak.kt

^KT-61259

compiler/testData/codegen/box/cinterop/objc/illegal_sharing_with_weak.kt

@@ -0,0 +1,61 @@
+// TARGET_BACKEND: NATIVE
+// DISABLE_NATIVE: isAppleTarget=false
+
+// MODULE: cinterop
+// FILE: objclib.def
+language = Objective-C
+headers = objclib.h
+headerFilter = objclib.h
+
+// FILE: objclib.h
+#import <objc/NSObject.h>
+
+static NSObject* __weak globalObject = nil;
+
+void setObject(NSObject* obj) {
+    globalObject = obj;
+}
+
+// Make sure this function persists, because the test expects to find this function in the stack trace.
+__attribute__((noinline))
+bool isObjectAliveShouldCrash() {
+    return globalObject != nil;
+}
+
+// MODULE: main(cinterop)
+// FILE: main.kt
+@file:OptIn(ObsoleteWorkersApi::class, kotlinx.cinterop.ExperimentalForeignApi::class)
+import kotlin.native.concurrent.*
+import kotlin.test.*
+import kotlinx.cinterop.autoreleasepool
+import objclib.*
+
+val sb = StringBuilder()
+
+fun box(): String {
+    autoreleasepool {
+        run()
+    }
+    // Experimental MM supports arbitrary object sharing.
+    assertEquals("Before\nAfter true\n", sb.toString())
+    return "OK"
+}
+
+private class NSObjectImpl : NSObject() {
+    var x = 111
+}
+
+fun run() = withWorker {
+    val obj = NSObjectImpl()
+    setObject(obj)
+
+    sb.appendLine("Before")
+    val isAlive = try {
+        execute(TransferMode.SAFE, {}) {
+            isObjectAliveShouldCrash()
+        }.result
+    } catch (e: Throwable) {
+        false
+    }
+    sb.appendLine("After $isAlive")
+}