FIR checkers: report SMARTCAST_IMPOSSIBLE

compiler/testData/diagnostics/tests/smartCasts/inference/kt39010.fir.kt

@@ -1,11 +0,0 @@
-class A<E> {
-    fun foo(): E = TODO()
-}
-
-class B(var a: A<*>?) {
-    fun bar() {
-        if (a != null) {
-            a<!UNSAFE_CALL!>.<!>foo()
-        }
-    }
-}

compiler/testData/diagnostics/tests/smartCasts/inference/kt39010.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 class A<E> {
     fun foo(): E = TODO()
 }

compiler/testData/diagnostics/tests/smartCasts/inference/kt39010_2.fir.kt

@@ -1,16 +0,0 @@
-open class A<E> {
-}
-
-class B : A<String>() {
-    fun foo() {}
-}
-
-interface KI {
-    val a: A<*>
-}
-
-fun KI.bar() {
-    if (a is B) {
-        a.<!UNRESOLVED_REFERENCE!>foo<!>()
-    }
-}

compiler/testData/diagnostics/tests/smartCasts/inference/kt39010_2.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 open class A<E> {
 }