Remove unnecessary synthetic parents

nicolasstucki · nicolasstucki · commit 1b3a77eaf82a · 2020-05-27T17:23:31.000+02:00
diff --git a/compiler/src/dotty/tools/dotc/core/Definitions.scala b/compiler/src/dotty/tools/dotc/core/Definitions.scala
@@ -1299,7 +1299,7 @@ class Definitions {
     def syntheticParent(tparams: List[TypeSymbol]): Type =
       if (tparams.isEmpty) TupleTypeRef
       else TypeOps.nestedPairs(tparams.map(_.typeRef))
-    if (isTupleClass(cls) || cls == EmptyTupleClass) parents :+ syntheticParent(tparams)
+    if (isTupleClass(cls)) parents :+ syntheticParent(tparams)
     else parents
   }
 

Original file line number	Diff line number	Diff line change
`@@ -1299,7 +1299,7 @@ class Definitions {`
`1299`	`1299`	`def syntheticParent(tparams: List[TypeSymbol]): Type =`
`1300`	`1300`	`if (tparams.isEmpty) TupleTypeRef`
`1301`	`1301`	`else TypeOps.nestedPairs(tparams.map(_.typeRef))`
`1302`		`- if (isTupleClass(cls) \|\| cls == EmptyTupleClass) parents :+ syntheticParent(tparams)`
	`1302`	`+ if (isTupleClass(cls)) parents :+ syntheticParent(tparams)`
`1303`	`1303`	`else parents`
`1304`	`1304`	`}`
`1305`	`1305`