Forbidden old invokeExtension convention.

compiler/testData/diagnostics/tests/resolve/invoke/implicitInvoke.txt

@@ -0,0 +1,28 @@
+package
+
+public fun test(/*0*/ c: () -> kotlin.String, /*1*/ e: kotlin.Int.() -> kotlin.String): kotlin.Unit
+public fun test(/*0*/ a: A, /*1*/ b: B): kotlin.Unit
+public fun </*0*/ T, /*1*/ R> with(/*0*/ receiver: T, /*1*/ f: T.() -> R): R
+
+public final class A {
+    public constructor A()
+    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 operator fun B.invoke(): kotlin.Int
+}
+
+public final class B {
+    public constructor B()
+    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 X {
+    public constructor X()
+    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.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}