fix error in optimisation

liufengyun · liufengyun · commit c452fbdcf0de · 2017-08-24T16:53:34.000+02:00
We need to ensure that the order of the fields and the arguements
match.
diff --git a/compiler/src/dotty/tools/dotc/transform/localopt/InlineLocalObjects.scala b/compiler/src/dotty/tools/dotc/transform/localopt/InlineLocalObjects.scala
@@ -89,7 +89,7 @@ class InlineLocalObjects(val simplifyPhase: Simplify) extends Optimisation {
     initNewFieldsMapping();
     {
       case t @ NewCaseClassValDef(fun, args) if newFieldsMapping.contains(t.symbol) =>
-        val newFields     = newFieldsMapping(t.symbol).values.toList
+        val newFields     = newFieldsMapping(t.symbol).values.toList.sortBy(_.name.show)
         val newFieldsDefs = newFields.zip(args).map { case (nf, arg) =>
           val rhs = arg.changeOwnerAfter(t.symbol, nf.symbol, simplifyPhase)
           ValDef(nf.asTerm, rhs)

Original file line number	Diff line number	Diff line change
`@@ -89,7 +89,7 @@ class InlineLocalObjects(val simplifyPhase: Simplify) extends Optimisation {`
`89`	`89`	`initNewFieldsMapping();`
`90`	`90`	`{`
`91`	`91`	`case t @ NewCaseClassValDef(fun, args) if newFieldsMapping.contains(t.symbol) =>`
`92`		`- val newFields = newFieldsMapping(t.symbol).values.toList`
	`92`	`+ val newFields = newFieldsMapping(t.symbol).values.toList.sortBy(_.name.show)`
`93`	`93`	`val newFieldsDefs = newFields.zip(args).map { case (nf, arg) =>`
`94`	`94`	`val rhs = arg.changeOwnerAfter(t.symbol, nf.symbol, simplifyPhase)`
`95`	`95`	`ValDef(nf.asTerm, rhs)`