Add @sharable annotation to global counter

scala · Oct 1, 2023 · e1858db · e1858db
1 parent b9e035b
commit e1858db
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/compiler/src/dotty/tools/dotc/cc/CaptureRoot.scala b/compiler/src/dotty/tools/dotc/cc/CaptureRoot.scala
@@ -9,12 +9,13 @@ import printing.Showable
 import util.SimpleIdentitySet
 import Decorators.i
 import scala.annotation.constructorOnly
+import scala.annotation.internal.sharable
 
 type CaptureRoot = TermRef | CaptureRoot.Var
 
 object CaptureRoot:
 
-  private var nextId = 0
+  @sharable private var nextId = 0
 
   case class Var(owner: Symbol, source: Symbol)(using @constructorOnly ictx: Context) extends CaptureRef, Showable: