diff options
Diffstat (limited to 'src/dotty/tools/dotc/typer/Checking.scala')
| -rw-r--r-- | src/dotty/tools/dotc/typer/Checking.scala | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/dotty/tools/dotc/typer/Checking.scala b/src/dotty/tools/dotc/typer/Checking.scala index 37753fe65..6944197a1 100644 --- a/src/dotty/tools/dotc/typer/Checking.scala +++ b/src/dotty/tools/dotc/typer/Checking.scala @@ -174,6 +174,8 @@ object Checking { mapOver(tp) case tp @ RefinedType(parent, name, rinfo) => tp.derivedRefinedType(this(parent), name, this(rinfo, nestedCycleOK, nestedCycleOK)) + case tp: RecType => + tp.rebind(this(tp.parent)) case tp @ TypeRef(pre, name) => try { // A prefix is interesting if it might contain (transitively) a reference @@ -187,7 +189,7 @@ object Checking { case SuperType(thistp, _) => isInteresting(thistp) case AndType(tp1, tp2) => isInteresting(tp1) || isInteresting(tp2) case OrType(tp1, tp2) => isInteresting(tp1) && isInteresting(tp2) - case _: RefinedType => true + case _: RefinedOrRecType => true case _ => false } if (isInteresting(pre)) { @@ -433,12 +435,14 @@ trait Checking { } /** Check that any top-level type arguments in this type are feasible, i.e. that - * their lower bound conforms to their upper cound. If a type argument is + * their lower bound conforms to their upper bound. If a type argument is * infeasible, issue and error and continue with upper bound. */ def checkFeasible(tp: Type, pos: Position, where: => String = "")(implicit ctx: Context): Type = tp match { case tp: RefinedType => tp.derivedRefinedType(tp.parent, tp.refinedName, checkFeasible(tp.refinedInfo, pos, where)) + case tp: RecType => + tp.rebind(tp.parent) case tp @ TypeBounds(lo, hi) if !(lo <:< hi) => ctx.error(d"no type exists between low bound $lo and high bound $hi$where", pos) TypeAlias(hi) |