remove obsolete code

liufengyun · liufengyun · commit 473e7fc70a0c · 2017-04-06T15:40:18.000+02:00
diff --git a/compiler/src/dotty/tools/dotc/transform/patmat/Space.scala b/compiler/src/dotty/tools/dotc/transform/patmat/Space.scala
@@ -395,15 +395,6 @@ class SpaceEngine(implicit ctx: Context) extends SpaceLogic {
     }
   }
 
-  // simplify p.Case$.This.m => p.Case.m
-  def simplifyPrefix(tp: Type): Type = tp match {
-    case tp @ ThisType(mcls: TypeRef) if mcls.symbol.sourceModule.exists  =>
-      TermRef(simplifyPrefix(mcls.prefix), mcls.symbol.sourceModule.asTerm)
-    case tp @ TypeRef(prefix, _) => tp.derivedSelect(simplifyPrefix(prefix))
-    case tp @ TermRef(prefix, _) => tp.derivedSelect(simplifyPrefix(prefix))
-    case _ => tp
-  }
-
   /** Refine tp2 based on tp1
    *
    *  E.g. if `tp1` is `Option[Int]`, `tp2` is `Some`, then return

Original file line number	Diff line number	Diff line change
`@@ -395,15 +395,6 @@ class SpaceEngine(implicit ctx: Context) extends SpaceLogic {`
`395`	`395`	`}`
`396`	`396`	`}`
`397`	`397`
`398`		`- // simplify p.Case$.This.m => p.Case.m`
`399`		`- def simplifyPrefix(tp: Type): Type = tp match {`
`400`		`- case tp @ ThisType(mcls: TypeRef) if mcls.symbol.sourceModule.exists =>`
`401`		`- TermRef(simplifyPrefix(mcls.prefix), mcls.symbol.sourceModule.asTerm)`
`402`		`- case tp @ TypeRef(prefix, _) => tp.derivedSelect(simplifyPrefix(prefix))`
`403`		`- case tp @ TermRef(prefix, _) => tp.derivedSelect(simplifyPrefix(prefix))`
`404`		`- case _ => tp`
`405`		`- }`
`406`		`-`
`407`	`398`	`/** Refine tp2 based on tp1`
`408`	`399`	`*`
`409`	`400`	* E.g. if `tp1` is `Option[Int]`, `tp2` is `Some`, then return