fixed bugs 1160, 1157, 1145

3 files changed, 12 insertions, 6 deletions

diff --git a/src/compiler/scala/tools/nsc/symtab/Types.scala b/src/compiler/scala/tools/nsc/symtab/Types.scala
index b26045f1d8..7d72d2ee2f 100644
--- a/src/compiler/scala/tools/nsc/symtab/Types.scala
+++ b/src/compiler/scala/tools/nsc/symtab/Types.scala
@@ -862,7 +862,7 @@ trait Types {
           while (j < clSize) {
             closureCache(j) match {
               case RefinedType(parents, decls) =>
-                assert(decls.isEmpty)
+                if (!decls.isEmpty) assert(false, "computing closure of "+this+":"+this.isInstanceOf[RefinedType])
                 //Console.println("compute closure of "+this+" => glb("+parents+")")
                 closureCache(j) = mergePrefixAndArgs(parents, -1, maxClosureDepth(parents) + LubGlbMargin) match {
                   case Some(tp0) => tp0
@@ -1213,7 +1213,9 @@ A type's symbol should never be inspected directly.
     override def typeOfThis = transform(sym.typeOfThis)
 
     override def narrow =
-      if (sym.isModuleClass) transform(sym.thisType) else super.narrow
+      if (sym.isModuleClass) transform(sym.thisType)
+      else if (sym.isAliasType) normalize.narrow
+      else super.narrow
 
     override def prefix: Type = if (sym.isAliasType) normalize.prefix else pre
 
diff --git a/src/compiler/scala/tools/nsc/typechecker/SuperAccessors.scala b/src/compiler/scala/tools/nsc/typechecker/SuperAccessors.scala
index 2e1b250eee..a623a67fd4 100644
--- a/src/compiler/scala/tools/nsc/typechecker/SuperAccessors.scala
+++ b/src/compiler/scala/tools/nsc/typechecker/SuperAccessors.scala
@@ -55,7 +55,7 @@ abstract class SuperAccessors extends transform.Transform with transform.TypingT
         val decls = tree.symbol.info.decls
         for (val sym <- decls.toList) {
           if (sym.privateWithin.isClass && !sym.privateWithin.isModuleClass &&
-              !sym.hasFlag(EXPANDEDNAME)) {
+              !sym.hasFlag(EXPANDEDNAME) && !sym.isConstructor) {
             decls.unlink(sym)
             sym.expandName(sym.privateWithin)
             decls.enter(sym)
diff --git a/src/compiler/scala/tools/nsc/typechecker/Typers.scala b/src/compiler/scala/tools/nsc/typechecker/Typers.scala
index 256244313a..3c6a56d8af 100644
--- a/src/compiler/scala/tools/nsc/typechecker/Typers.scala
+++ b/src/compiler/scala/tools/nsc/typechecker/Typers.scala
@@ -1603,7 +1603,7 @@ trait Typers requires Analyzer {
             arg.tpe = typer1.infer.inferTypedPattern(tree.pos, unappFormal, arg.tpe)
             //todo: replace arg with arg.asInstanceOf[inferTypedPattern(unappFormal, arg.tpe)] instead.
           }
-
+          // Console.println("unapply "+fun.tpe)
           val fun1untyped = atPos(fun.pos) {
             Apply(
               Select(
@@ -2611,8 +2611,12 @@ trait Typers requires Analyzer {
           tree setType ref1.tpe.resultType
 
         case SelectFromTypeTree(qual, selector) =>
-          val sel = typedSelect(typedType(qual), selector)
-          tree setSymbol sel.symbol setType typedSelect(typedType(qual), selector).tpe
+/* maybe need to do this:
+          val res = typedSelect(typedType(qual), selector)
+          tree setType res.tpe setSymbol res.symbol
+          res
+*/
+          typedSelect(typedType(qual), selector)
 
         case CompoundTypeTree(templ) =>
           typedCompoundTypeTree(templ)