KT-1560

Report warning on extensions shadowed by members.

compiler/testData/diagnostics/tests/resolve/priority/memberVsLocalExt.kt

@@ -7,7 +7,7 @@ class A {
 
 
 fun test(a: A) {
-    fun A.foo() = 4
+    fun A.<!EXTENSION_SHADOWED_BY_MEMBER!>foo<!>() = 4
 
     a.foo() checkType { _<A>() }
 

compiler/testData/diagnostics/tests/resolve/priority/synthesizedMembersVsExtension.kt

@@ -2,7 +2,7 @@
 
 data class A(val foo: Int)
 
-operator fun A.component1(): String = ""
+operator fun A.<!EXTENSION_SHADOWED_BY_MEMBER!>component1<!>(): String = ""
 
 fun test(a: A) {
     val (b) = a