Removed 'implicit this' from scope for member lookup

idea/testData/checker/regression/extensionMemberInClassObject.kt

@@ -0,0 +1,11 @@
+trait Bar {
+    fun <T> T.bar() {}
+}
+
+class A {
+    class object : Bar
+}
+
+fun test() {
+    A.<error><error>bar</error></error>()
+}