bugfix: Fix issues with tests

Author: tgodzik

compiler/src/dotty/tools/dotc/config/ScalaSettings.scala

@@ -37,7 +37,8 @@ object ScalaSettings:
     ScalaRelease.values.toList.map(_.show)
 
   def supportedSourceVersions: List[String] =
-    SourceVersion.values.toList.map(_.toString)
+    SourceVersion.values.diff(SourceVersion.illegalInSettings)
+      .map(_.toString).toList
 
   def defaultClasspath: String = sys.env.getOrElse("CLASSPATH", ".")
 

tests/neg/indentRight.scala

@@ -24,8 +24,8 @@ object Test {
   }
 
   trait A
-    case class B() extends A  // error: Line is indented too far to the right
-    case object C extends A   // error: Line is indented too far to the right
+    case class B() extends A
+    case object C extends A
 
   if (true)   // OK
     println("hi")