Make symbols have predictable hash codes.

DarkDimius · DarkDimius · commit eec5deb931cc · 2015-07-01T10:59:46.000+02:00
diff --git a/src/dotty/tools/dotc/core/Symbols.scala b/src/dotty/tools/dotc/core/Symbols.scala
@@ -509,6 +509,8 @@ object Symbols {
     def showKind(implicit ctx: Context): String = ctx.kindString(this)
     def showName(implicit ctx: Context): String = ctx.nameString(this)
     def showFullName(implicit ctx: Context): String = ctx.fullNameString(this)
+
+    override def hashCode(): PhaseId = id
   }
 
   type TermSymbol = Symbol { type ThisName = TermName }

Original file line number	Diff line number	Diff line change
`@@ -509,6 +509,8 @@ object Symbols {`
`509`	`509`	`def showKind(implicit ctx: Context): String = ctx.kindString(this)`
`510`	`510`	`def showName(implicit ctx: Context): String = ctx.nameString(this)`
`511`	`511`	`def showFullName(implicit ctx: Context): String = ctx.fullNameString(this)`
	`512`	`+`
	`513`	`+ override def hashCode(): PhaseId = id`
`512`	`514`	`}`
`513`	`515`
`514`	`516`	`type TermSymbol = Symbol { type ThisName = TermName }`