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src/Pure/term.scala
changeset 71781 3fd54f7f52b0
parent 71777 3875815f5967
child 73024 337e1b135d2f 
--- a/src/Pure/term.scala	Wed Apr 22 13:45:02 2020 +0200
+++ b/src/Pure/term.scala	Wed Apr 22 17:52:14 2020 +0200
@@ -195,7 +195,7 @@
         lookup(x) match {
           case Some(y) => y
           case None =>
-            x match {
+            (x: @unchecked) match {
               case PBound(_) => store(x)
               case Abst(name, typ, body) =>
                 store(Abst(cache_string(name), cache_typ(typ), cache_proof(body)))
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