[FIR JS] Report rtti-related diagnostics

compiler/testData/diagnostics/testsWithJsStdLib/native/rtti/castToNativeInterface.fir.kt

@@ -1,5 +0,0 @@
-external interface I
-
-fun box(a: Any, b: Any): Pair<I, I?> {
-    return Pair(a as I, b as? I)
-}

compiler/testData/diagnostics/testsWithJsStdLib/native/rtti/castToNativeInterface.kt

@@ -1,3 +1,6 @@
+// FIR_IDENTICAL
+// DIAGNOSTICS: +UNCHECKED_CAST_TO_EXTERNAL_INTERFACE
+
 external interface I
 
 fun box(a: Any, b: Any): Pair<I, I?> {

compiler/testData/diagnostics/testsWithJsStdLib/native/rtti/checkForNativeInterface.fir.kt

@@ -1,5 +0,0 @@
-external interface I
-
-fun box(a: Any, b: Any): Boolean {
-    return a is I && b !is I
-}

compiler/testData/diagnostics/testsWithJsStdLib/native/rtti/checkForNativeInterface.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 external interface I
 
 fun box(a: Any, b: Any): Boolean {

compiler/testData/diagnostics/testsWithJsStdLib/native/rtti/nativeInterfaceClassLiteral.fir.kt

@@ -1,5 +0,0 @@
-external interface I
-
-fun box() {
-    println(I::class)
-}

compiler/testData/diagnostics/testsWithJsStdLib/native/rtti/nativeInterfaceClassLiteral.kt

@@ -1,5 +1,8 @@
+// FIR_IDENTICAL
 external interface I
 
+typealias TA = I
 fun box() {
     println(<!EXTERNAL_INTERFACE_AS_CLASS_LITERAL!>I::class<!>)
+    println(<!EXTERNAL_INTERFACE_AS_CLASS_LITERAL!>TA::class<!>)
 }

compiler/testData/diagnostics/testsWithJsStdLib/native/rtti/nativeInterfaceClassLiteral.txt

@@ -7,3 +7,5 @@ public external interface I {
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
+public typealias TA = I
+

compiler/testData/diagnostics/testsWithJsStdLib/native/rtti/whenIsNativeInterface.fir.kt

@@ -1,9 +0,0 @@
-external interface I
-
-external interface J
-
-fun box(a: Any) = when (a) {
-    is I -> 0
-    !is J -> 1
-    else -> 2
-}

compiler/testData/diagnostics/testsWithJsStdLib/native/rtti/whenIsNativeInterface.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 external interface I
 
 external interface J