Fix exception

dotc -d out -Ycheck-init tests/pos/aliasNew.scala

Author: liufengyun

compiler/src/dotty/tools/dotc/transform/init/Summarization.scala

@@ -83,7 +83,7 @@ object Summarization {
         Summary.empty
 
       case New(tpt) =>
-        def typeRefOf(tp: Type): TypeRef = tp.typeConstructor match {
+        def typeRefOf(tp: Type): TypeRef = tp.dealias.typeConstructor match {
           case tref: TypeRef => tref
           case hklambda: HKTypeLambda => typeRefOf(hklambda.resType)
         }

compiler/src/dotty/tools/dotc/transform/init/Util.scala

@@ -24,7 +24,7 @@ object Util {
 
   def resolve(cls: ClassSymbol, sym: Symbol)(implicit ctx: Context): Symbol =
     if (sym.isEffectivelyFinal || sym.isConstructor) sym
-    else sym.matchingMember(cls.typeRef)
+    else sym.matchingMember(cls.appliedRef)
 
   def resolveSuper(cls: ClassSymbol, superCls: ClassSymbol, sym: Symbol)(implicit ctx: Context): Symbol = {
     // println(s"bases of $cls: " + cls.info.baseClasses)