From 930fac2a78d0661a9354f8d103b248d18be202c2 Mon Sep 17 00:00:00 2001
From: Dale Wijnand <dale.wijnand@gmail.com>
Date: Wed, 13 Sep 2017 12:03:05 +0100
Subject: [PATCH] Restrict switchScalaVersion `projects` to just
 ResolvedReference's

---
 main/src/main/scala/sbt/Cross.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main/src/main/scala/sbt/Cross.scala b/main/src/main/scala/sbt/Cross.scala
index 76487ade4..3f9bca63a 100644
--- a/main/src/main/scala/sbt/Cross.scala
+++ b/main/src/main/scala/sbt/Cross.scala
@@ -274,7 +274,7 @@ object Cross {
       excluded.foreach(logProject.tupled)
     }
 
-    val projects: Seq[Reference] = {
+    val projects: Seq[ResolvedReference] = {
       val projectScalaVersions =
         structure.allProjectRefs.map(proj => proj -> crossVersions(extracted, proj))
       if (switch.version.force) {