KT-1998 Strange "Overload resolution ambiguity"

#KT-1998 Fixed

compiler/testData/diagnostics/tests/overload/kt1998.kt

@@ -0,0 +1,13 @@
+// KT-1998 Strange "Overload resolution ambiguity"
+
+object A {
+    val c : String = "test"
+
+    fun f(b: B): String {
+        return b.c // Test no "Overload resolution ambiguity" is reported here
+    }
+}
+
+class B
+
+val B.c : String = "test"

compiler/tests/org/jetbrains/jet/checkers/JetDiagnosticsTestGenerated.java

@@ -3074,6 +3074,11 @@ public class JetDiagnosticsTestGenerated extends AbstractDiagnosticsTestWithEage
                 doTest("compiler/testData/diagnostics/tests/overload/FunNoConflictInDifferentPackages.kt");
             }
             
+            @TestMetadata("kt1998.kt")
+            public void testKt1998() throws Exception {
+                doTest("compiler/testData/diagnostics/tests/overload/kt1998.kt");
+            }
+            
             @TestMetadata("OverloadFunRegularAndExt.kt")
             public void testOverloadFunRegularAndExt() throws Exception {
                 doTest("compiler/testData/diagnostics/tests/overload/OverloadFunRegularAndExt.kt");