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path: root/src/dotty/tools/dotc/core/TypeOps.scala
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-rw-r--r--src/dotty/tools/dotc/core/TypeOps.scala7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/dotty/tools/dotc/core/TypeOps.scala b/src/dotty/tools/dotc/core/TypeOps.scala
index cce6cc350..c42f0bb36 100644
--- a/src/dotty/tools/dotc/core/TypeOps.scala
+++ b/src/dotty/tools/dotc/core/TypeOps.scala
@@ -86,10 +86,10 @@ trait TypeOps { this: Context =>
}
/** Normalize a list of parent types of class `cls` that may contain refinements
- * to a list of typerefs, by converting all refinements to member
+ * to a list of typerefs referring to classes, by converting all refinements to member
* definitions in scope `decls`. Can add members to `decls` as a side-effect.
*/
- def normalizeToRefs(parents: List[Type], cls: ClassSymbol, decls: Scope): List[TypeRef] = {
+ def normalizeToClassRefs(parents: List[Type], cls: ClassSymbol, decls: Scope): List[TypeRef] = {
def enterArgBinding(formal: Symbol, info: Type) = {
val typeArgFlag = if (formal is Local) TypeArgument else EmptyFlags
@@ -144,7 +144,8 @@ trait TypeOps { this: Context =>
formals = formals.updated(name, tp1.typeParamNamed(name))
normalizeToRef(tp1)
case tp: TypeRef =>
- tp
+ if (tp.symbol.isAliasType) normalizeToRef(tp.info.bounds.hi)
+ else tp
case ErrorType =>
defn.AnyClass.typeRef
case _ =>