[FIR] Fix false positive case of CANNOT_CHECK_FOR_ERASED

Restore CANNOT_CHECK_FOR_ERASED as error

compiler/testData/diagnostics/tests/cast/IsErasedAllowFromOut3.kt

@@ -0,0 +1,4 @@
+// FIR_IDENTICAL
+open class Base
+class Derived<E : CharSequence> : Base()
+fun f(entry: Base) = entry is Derived<out CharSequence>

compiler/testData/diagnostics/tests/cast/IsErasedAllowFromOut3.txt

@@ -0,0 +1,17 @@
+package
+
+public fun f(/*0*/ entry: Base): kotlin.Boolean
+
+public open class Base {
+    public constructor Base()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final class Derived</*0*/ E : kotlin.CharSequence> : Base {
+    public constructor Derived</*0*/ E : kotlin.CharSequence>()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}

compiler/testData/diagnostics/tests/generics/capturedParameters/uncheckedCast.fir.kt

@@ -6,11 +6,11 @@ fun <E> foo(x: Any, y: Any) : Any {
     }
 
     if (1 == 2) {
-        x <!UNCHECKED_CAST!>as C<!>
+        x as C
     }
 
     if (2 == 3) {
-        x <!UNCHECKED_CAST!>as? C<!>
+        x as? C
     }
 
     class Outer<F> {
@@ -22,7 +22,12 @@ fun <E> foo(x: Any, y: Any) : Any {
         return y
     }
 
-    y <!UNCHECKED_CAST!>as Outer<*>.Inner<!>
+    if (y is Outer<*>.Inner) {
+        return y
+    }
+
+    y as Outer<*>.Inner
+    y as Outer.Inner
 
     return C()
 }

compiler/testData/diagnostics/tests/generics/capturedParameters/uncheckedCast.kt

@@ -22,7 +22,12 @@ fun <E> foo(x: Any, y: Any) : Any {
         return y
     }
 
+    if (y is <!CANNOT_CHECK_FOR_ERASED!>Outer<*>.Inner<!>) {
+        return y
+    }
+
     y <!UNCHECKED_CAST!>as Outer<*>.Inner<!>
+    y <!USELESS_CAST!>as <!NO_TYPE_ARGUMENTS_ON_RHS!>Outer.Inner<!><!>
 
     return C()
 }

compiler/testData/diagnostics/tests/smartCasts/kt10444.fir.kt

@@ -4,7 +4,7 @@
 class Base<in T>
 class Qwe<T : Any>(val a: T?) {
     fun test1(obj: Any) {
-        obj <!UNCHECKED_CAST!>as Qwe<T><!>
+        obj as Qwe<T>
         check(obj.a)
     }