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-rw-r--r--src/dotty/tools/dotc/core/TyperState.scala2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/dotty/tools/dotc/core/TyperState.scala b/src/dotty/tools/dotc/core/TyperState.scala
index 8246ae198..626c1227f 100644
--- a/src/dotty/tools/dotc/core/TyperState.scala
+++ b/src/dotty/tools/dotc/core/TyperState.scala
@@ -104,7 +104,7 @@ extends TyperState(reporter) {
def checkConsistent(show: Showable => String = MutableTyperState.toStr): Unit = if (checkingEnabled) {
def err(msg: String, what: Showable) = s"$msg: ${show(what)}\n${show(this)}"
for (tvar <- undetVars)
- assert(constraint(tvar.origin).exists, err("unconstrained type var", tvar.origin))
+ assert(constraint contains tvar.origin, err("unconstrained type var", tvar.origin))
if (isCommittable) {
val undetParams = undetVars map (_.origin)
for (param <- constraint.domainParams)