Fix CI

liufengyun · liufengyun · commit e8b7038e5ce3 · 2019-02-25T15:55:16.000+01:00
diff --git a/compiler/src/dotty/tools/dotc/transform/TypeTestsCasts.scala b/compiler/src/dotty/tools/dotc/transform/TypeTestsCasts.scala
@@ -132,7 +132,7 @@ object TypeTestsCasts {
             recur(tp1, P) && recur(tp2, P)
           case _ =>
             // first try withou striping type parameters for performance
-            !X.classSymbol.asClass.mayHaveCommonChild(P.classSymbol.asClass) ||
+            X.classSymbol.exists && P.classSymbol.exists && !X.classSymbol.asClass.mayHaveCommonChild(P.classSymbol.asClass) ||
             isClassDetermined(X, tpe)(ctx.fresh.setNewTyperState()) ||
             isClassDetermined(stripTypeParam(X), tpe)(ctx.fresh.setNewTyperState())
         }

Original file line number	Diff line number	Diff line change
`@@ -132,7 +132,7 @@ object TypeTestsCasts {`
`132`	`132`	`recur(tp1, P) && recur(tp2, P)`
`133`	`133`	`case _ =>`
`134`	`134`	`// first try withou striping type parameters for performance`
`135`		`- !X.classSymbol.asClass.mayHaveCommonChild(P.classSymbol.asClass) \|\|`
	`135`	`+ X.classSymbol.exists && P.classSymbol.exists && !X.classSymbol.asClass.mayHaveCommonChild(P.classSymbol.asClass) \|\|`
`136`	`136`	`isClassDetermined(X, tpe)(ctx.fresh.setNewTyperState()) \|\|`
`137`	`137`	`isClassDetermined(stripTypeParam(X), tpe)(ctx.fresh.setNewTyperState())`
`138`	`138`	`}`