Test to ensure join on Seq[Initialize[Task[T]]] keeps highest precedence

sbt/src/sbt-test/actions/join/project/Build.scala

@@ -0,0 +1,11 @@
+import sbt._
+import Keys._
+
+object Build extends Build
+{
+	lazy val root = Project("root", file(".")) dependsOn(b,c) settings(
+		compile in Compile <<= Seq(b, c).map(p => compile in (p, Compile)).join.map( as => (inc.Analysis.Empty /: as)(_ ++ _) )
+	)
+	lazy val b = Project("b", file("b"))
+	lazy val c = Project("c", file("c"))
+}

sbt/src/sbt-test/actions/join/test

@@ -0,0 +1 @@
+> compile