Tweaks repl tests to enforce -Yrepl-sync and ot...

Tweaks repl tests to enforce -Yrepl-sync and other setup on all clients.
Also includes some more why-do-tests-hang bosons for the particle
accelerator in case that doesn't wrap it up. I think it will though,
because now constrained-types is the only one which failed and it's also
the only one which overrides Settings. No review.

1 files changed, 1 insertions, 4 deletions

diff --git a/test/files/run/constrained-types.scala b/test/files/run/constrained-types.scala
index 5f7eb7adde..91bd856d00 100644
--- a/test/files/run/constrained-types.scala
+++ b/test/files/run/constrained-types.scala
@@ -79,15 +79,12 @@ val x : Int @Where(self > 0 && self < 100) = 3
 
 """
 
-  override def settings: Settings = {
-    val s = new Settings
-
+  override def transformSettings(s: Settings): Settings = {
     s.Xexperimental.value = true
     s.selfInAnnots.value = true
     s.deprecation.value = true
     // when running that compiler, give it a scala-library to the classpath
     s.classpath.value = sys.props("java.class.path")
-
     s
   }
 }