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-rw-r--r--src/dotty/tools/dotc/core/TrackingConstraint.scala2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/dotty/tools/dotc/core/TrackingConstraint.scala b/src/dotty/tools/dotc/core/TrackingConstraint.scala
index 5a77b88fc..37f4d5a6e 100644
--- a/src/dotty/tools/dotc/core/TrackingConstraint.scala
+++ b/src/dotty/tools/dotc/core/TrackingConstraint.scala
@@ -286,7 +286,7 @@ class TrackingConstraint(private val myMap: ParamInfo,
def unify(p1: PolyParam, p2: PolyParam)(implicit ctx: Context): This = {
val p1Bounds = (nonParamBounds(p1) & nonParamBounds(p2)).substParam(p2, p1)
- this.updateEntry(p1, p1Bounds).updateEntry(p2, p1)
+ updateEntry(p1, p1Bounds).replace(p2, p1)
}
// ---------- Removals ------------------------------------------------------------