Made error messages like "object List is not a ...

Made error messages like "object List is not a value" be a little more
helpful about why that is. No review.

1 files changed, 7 insertions, 0 deletions

diff --git a/test/files/neg/object-not-a-value.scala b/test/files/neg/object-not-a-value.scala
new file mode 100644
index 0000000000..207b271df2
--- /dev/null
+++ b/test/files/neg/object-not-a-value.scala
@@ -0,0 +1,7 @@
+object Test {
+  import java.util._
+
+  def main(args: Array[String]): Unit = {
+    List(1) map (_ + 1)
+  }
+}