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-rw-r--r--tests/patmat/t6420.scala11
1 files changed, 11 insertions, 0 deletions
diff --git a/tests/patmat/t6420.scala b/tests/patmat/t6420.scala
new file mode 100644
index 000000000..80c0f90f6
--- /dev/null
+++ b/tests/patmat/t6420.scala
@@ -0,0 +1,11 @@
+object Test {
+ val c0 = false
+ val c1 = true
+
+ def foo(x: List[Boolean], y: List[Boolean]) = (x,y) match {
+ case (`c0`::x, `c0`::y) => x
+ case (`c0`::x, `c1`::y) => y
+ case (`c1`::x, `c0`::y) => y
+ case (`c1`::x, `c1`::y) => x
+ }
+}