Receiver smart casts: additional test for a?.b() when b is invokable property

compiler/testData/diagnostics/tests/smartCasts/safecalls/safeAccessReceiverNotNull.kt

@@ -121,4 +121,16 @@ fun falsePositive(w: Wrapper) {
         // Here we should NOT have smart cast
         <!SMARTCAST_IMPOSSIBLE!>w.unwrap()<!>.length
     }
+}
+
+class Invokable(val x: String) {
+    operator fun invoke() = x
+}
+
+class InvokableProperty(val i: Invokable)
+
+fun checkInvokable(ip: InvokableProperty?) {
+    if (ip?.<!UNSAFE_IMPLICIT_INVOKE_CALL!>i<!>() == "Hello") {
+        <!DEBUG_INFO_SMARTCAST!>ip<!>.hashCode()
+    }
 }

compiler/testData/diagnostics/tests/smartCasts/safecalls/safeAccessReceiverNotNull.txt

@@ -1,5 +1,6 @@
 package
 
+public fun checkInvokable(/*0*/ ip: InvokableProperty?): kotlin.Unit
 public fun falsePositive(/*0*/ w: Wrapper): kotlin.Unit
 public fun getA(): A?
 public fun handleGet(/*0*/ arg: HttpExchange): HttpExchange
@@ -35,6 +36,23 @@ public final class HttpExchange {
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 
+public final class Invokable {
+    public constructor Invokable(/*0*/ x: kotlin.String)
+    public final val x: kotlin.String
+    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 final operator fun invoke(): kotlin.String
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final class InvokableProperty {
+    public constructor InvokableProperty(/*0*/ i: Invokable)
+    public final val i: Invokable
+    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 open class SomeClass {
     public constructor SomeClass(/*0*/ data: kotlin.Any)
     public final val data: kotlin.Any