New J2K: Assume KtConstructor as function for symbol provider

nj2k/src/org/jetbrains/kotlin/nj2k/JKSymbolProvider.kt

@@ -36,7 +36,7 @@ class JKSymbolProvider {
             is KtClassOrObject -> JKMultiverseKtClassSymbol(psi, this)
             is PsiMethod -> JKMultiverseMethodSymbol(psi, this)
             is PsiField -> JKMultiverseFieldSymbol(psi, this)
-            is KtNamedFunction -> JKMultiverseFunctionSymbol(psi, this)
+            is KtFunction -> JKMultiverseFunctionSymbol(psi, this)
             is KtProperty -> JKMultiversePropertySymbol(psi, this)
             is KtParameter -> JKMultiversePropertySymbol(psi, this)
             is PsiParameter -> JKMultiverseFieldSymbol(psi, this)

nj2k/src/org/jetbrains/kotlin/nj2k/tree/impl/symbols.kt

@@ -163,7 +163,7 @@ class JKMultiverseMethodSymbol(override val target: PsiMethod, private val symbo
         get() = target.getKotlinFqName()?.asString() ?: target.name
 }
 
-class JKMultiverseFunctionSymbol(override val target: KtNamedFunction, private val symbolProvider: JKSymbolProvider) : JKMethodSymbol {
+class JKMultiverseFunctionSymbol(override val target: KtFunction, private val symbolProvider: JKSymbolProvider) : JKMethodSymbol {
     override val receiverType: JKType?
         get() = target.receiverTypeReference?.toJK(symbolProvider)
     override val parameterTypes: List<JKType>?
@@ -186,7 +186,7 @@ class JKMultiverseFunctionSymbol(override val target: KtNamedFunction, private v
     override val declaredIn: JKSymbol
         get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
     override val fqName: String
-        get() = target.fqName!!.asString()
+        get() = target.fqName?.asString() ?: target.name!!
 }
 
 class JKUniverseFieldSymbol(override val symbolProvider: JKSymbolProvider) : JKFieldSymbol, JKUniverseSymbol<JKVariable>() {