Property vs classifier conflict.

TODO get rid of duplicate diagnostics
(looks like OverloadResolver and DeclarationResolver are partially redundant; refactor them).

compiler/testData/diagnostics/tests/duplicateJvmSignature/missingNames.kt

@@ -7,11 +7,11 @@
 
 }
 
-val<!SYNTAX!><!> : Int = 1
+<!REDECLARATION!>val<!SYNTAX!><!> : Int = 1<!>
 
-class<!SYNTAX!><!> {
+<!REDECLARATION!>class<!SYNTAX!><!> {
 
-}
+}<!>
 
 object<!SYNTAX!><!> {