[K/N] Debug util for checking if object is global constant

kotlin-native/runtime/src/main/cpp/Runtime.cpp

@@ -378,4 +378,9 @@ KBoolean Kotlin_Debugging_isThreadStateNative() {
     return kotlin::GetThreadState() == kotlin::ThreadState::kNative;
 }
 
+
+KBoolean Kotlin_Debugging_isPermanent(KRef obj) {
+    return obj->permanent();
+}
+
 }  // extern "C"

kotlin-native/runtime/src/main/kotlin/kotlin/native/internal/Debugging.kt

@@ -16,6 +16,10 @@ public object Debugging {
         get() = Debugging_isThreadStateRunnable()
 }
 
+@GCUnsafeCall("Kotlin_Debugging_isPermanent")
+@InternalForKotlinNative
+public external fun Any.isPermanent() : Boolean
+
 @GCUnsafeCall("Kotlin_Debugging_getForceCheckedShutdown")
 private external fun Debugging_getForceCheckedShutdown(): Boolean