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-rw-r--r--src/dotty/tools/dotc/core/TypeOps.scala2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/dotty/tools/dotc/core/TypeOps.scala b/src/dotty/tools/dotc/core/TypeOps.scala
index 9232bd185..04cd2249d 100644
--- a/src/dotty/tools/dotc/core/TypeOps.scala
+++ b/src/dotty/tools/dotc/core/TypeOps.scala
@@ -102,7 +102,7 @@ trait TypeOps { this: Context => // TODO: Make standalone object.
asSeenFrom(tp.parent, pre, cls, theMap),
tp.refinedName,
asSeenFrom(tp.refinedInfo, pre, cls, theMap))
- case tp: TypeAlias if theMap == null => // if theMap exists, need to do the variance calculation
+ case tp: TypeAlias if tp.variance == 1 => // if variance != 1, need to do the variance calculation
tp.derivedTypeAlias(asSeenFrom(tp.alias, pre, cls, theMap))
case _ =>
(if (theMap != null) theMap else new AsSeenFromMap(pre, cls))