Drop redundant method

Author: odersky

compiler/src/dotty/tools/dotc/core/TypeComparer.scala

@@ -212,7 +212,7 @@ class TypeComparer(initctx: Context) extends ConstraintHandling[AbsentContext] w
             // be careful not to get into an infinite recursion. If recursion count
             // exceeds `DerefLimit`, approximate with `t` instead.
             derefCount += 1
-            if t.pending || derefCount >= DerefLimit then t
+            if t.evaluating || derefCount >= DerefLimit then t
             else try mapOver(t.ref) finally derefCount -= 1
           case tp: TypeVar =>
             tp

compiler/src/dotty/tools/dotc/core/Types.scala

@@ -2578,8 +2578,6 @@ object Types {
     private var myRef: Type = null
     private var computed = false
 
-    def pending(using Context): Boolean = computed && myRef == null
-
     def ref(implicit ctx: Context): Type =
       if computed then
         if myRef == null then