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-rw-r--r--src/dotty/tools/dotc/typer/Typer.scala2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/dotty/tools/dotc/typer/Typer.scala b/src/dotty/tools/dotc/typer/Typer.scala
index fac24e440..3d36905f2 100644
--- a/src/dotty/tools/dotc/typer/Typer.scala
+++ b/src/dotty/tools/dotc/typer/Typer.scala
@@ -1677,7 +1677,7 @@ class Typer extends Namer with TypeAssigner with Applications with Implicits wit
if (pt.isInstanceOf[PolyProto]) tree
else {
var typeArgs = tree match {
- case Select(New(tpt), nme.CONSTRUCTOR) => tpt.tpe.dealias.argTypesLo
+ case Select(qual, nme.CONSTRUCTOR) => qual.tpe.widenDealias.argTypesLo
case _ => Nil
}
if (typeArgs.isEmpty) typeArgs = constrained(poly, tree)._2