Use sym.exists

milessabin · milessabin · commit 83cfad9a605e · 2019-05-03T10:55:05.000+01:00
diff --git a/compiler/src/dotty/tools/dotc/core/TypeComparer.scala b/compiler/src/dotty/tools/dotc/core/TypeComparer.scala
@@ -2107,7 +2107,7 @@ class TrackingTypeComparer(initctx: Context) extends TypeComparer(initctx) {
   }
 
   override def gadtBounds(sym: Symbol)(implicit ctx: Context): TypeBounds = {
-    if (sym eq NoSymbol) null
+    if (!sym.exists) null
     else {
       footprint += sym.typeRef
       super.gadtBounds(sym)

Original file line number	Diff line number	Diff line change
`@@ -2107,7 +2107,7 @@ class TrackingTypeComparer(initctx: Context) extends TypeComparer(initctx) {`
`2107`	`2107`	`}`
`2108`	`2108`
`2109`	`2109`	`override def gadtBounds(sym: Symbol)(implicit ctx: Context): TypeBounds = {`
`2110`		`- if (sym eq NoSymbol) null`
	`2110`	`+ if (!sym.exists) null`
`2111`	`2111`	`else {`
`2112`	`2112`	`footprint += sym.typeRef`
`2113`	`2113`	`super.gadtBounds(sym)`