Drop failing assertion

odersky · odersky · commit e8baa697867a · 2019-01-19T14:05:27.000+01:00
Cases in a match could be empty in case of errors
diff --git a/compiler/src/dotty/tools/dotc/ast/Trees.scala b/compiler/src/dotty/tools/dotc/ast/Trees.scala
@@ -506,7 +506,6 @@ object Trees {
   /** selector match { cases } */
   case class Match[-T >: Untyped] private[ast] (selector: Tree[T], cases: List[CaseDef[T]])(implicit @constructorOnly src: SourceFile)
     extends TermTree[T] {
-    assert(cases.nonEmpty)
     type ThisTree[-T >: Untyped] = Match[T]
     def isInline = false
   }

Original file line number	Diff line number	Diff line change
`@@ -506,7 +506,6 @@ object Trees {`
`506`	`506`	`/** selector match { cases } */`
`507`	`507`	`case class Match[-T >: Untyped] private[ast] (selector: Tree[T], cases: List[CaseDef[T]])(implicit @constructorOnly src: SourceFile)`
`508`	`508`	`extends TermTree[T] {`
`509`		`- assert(cases.nonEmpty)`
`510`	`509`	`type ThisTree[-T >: Untyped] = Match[T]`
`511`	`510`	`def isInline = false`
`512`	`511`	`}`