5 files changed, 23 insertions, 0 deletions
diff --git a/test/files/buildmanager/t2649/A.scala b/test/files/buildmanager/t2649/A.scala
new file mode 100644
index 0000000000..86cc3f2c15
--- /dev/null
+++ b/test/files/buildmanager/t2649/A.scala
@@ -0,0 +1,3 @@
+object A {
+  def x(zz: Int, yy: Int) = yy - zz
+}
diff --git a/test/files/buildmanager/t2649/B.scala b/test/files/buildmanager/t2649/B.scala
new file mode 100644
index 0000000000..26c89518cb
--- /dev/null
+++ b/test/files/buildmanager/t2649/B.scala
@@ -0,0 +1,4 @@
+object B {
+  def main(args: Array[String]): Unit =
+    println( A.x(zz = 3, yy = 4) )
+}
diff --git a/test/files/buildmanager/t2649/t2649.changes/A2.scala b/test/files/buildmanager/t2649/t2649.changes/A2.scala
new file mode 100644
index 0000000000..9a6309fca3
--- /dev/null
+++ b/test/files/buildmanager/t2649/t2649.changes/A2.scala
@@ -0,0 +1,4 @@
+object A {
+  def x(yy: Int, zz: Int) = yy - zz
+}
+
diff --git a/test/files/buildmanager/t2649/t2649.check b/test/files/buildmanager/t2649/t2649.check
new file mode 100644
index 0000000000..5b698ec03f
--- /dev/null
+++ b/test/files/buildmanager/t2649/t2649.check
@@ -0,0 +1,9 @@
+builder > A.scala B.scala
+compiling Set(A.scala, B.scala)
+Changes: Map()
+builder > A.scala
+compiling Set(A.scala)
+Changes: Map(object A -> List(Changed(Definition(A.x))[method x changed from (zz: Int,yy: Int)Int to (yy: Int,zz: Int)Int flags: <method>]))
+invalidate B.scala because it references changed definition [Changed(Definition(A.x))[method x changed from (zz: Int,yy: Int)Int to (yy: Int,zz: Int)Int flags: <method>]]
+compiling Set(B.scala)
+Changes: Map(object B -> List())
diff --git a/test/files/buildmanager/t2649/t2649.test b/test/files/buildmanager/t2649/t2649.test
new file mode 100644
index 0000000000..6f3bd03361
--- /dev/null
+++ b/test/files/buildmanager/t2649/t2649.test
@@ -0,0 +1,3 @@
+>>compile A.scala B.scala
+>>update A.scala=>A2.scala
+>>compile A.scala