SI-7985 Allow projection of lower-cased prefix as pattern type arg

As per the last commit, tighten up the interpretation of a lower
cased identifier meaning that we're looking at a type variable.

1 files changed, 5 insertions, 0 deletions

diff --git a/test/files/run/t7985b.scala b/test/files/run/t7985b.scala
new file mode 100644
index 0000000000..aaf649eb28
--- /dev/null
+++ b/test/files/run/t7985b.scala
@@ -0,0 +1,5 @@
+class a { type X = Int }
+
+object Test extends App {
+  Array(1) match { case _: Array[a#X] => }
+}