Merge pull request #2033 from adriaanm/patmat-opt

pattern matching efficiency: addresses SI-6686 and SI-6941, affects SI-5739

1 files changed, 11 insertions, 0 deletions

diff --git a/test/files/jvm/t6941/Analyzed_1.scala b/test/files/jvm/t6941/Analyzed_1.scala
new file mode 100644
index 0000000000..549abd5e64
--- /dev/null
+++ b/test/files/jvm/t6941/Analyzed_1.scala
@@ -0,0 +1,11 @@
+// this class's bytecode, compiled under -optimize is analyzed by the test
+// method a's bytecode should be identical to method b's bytecode
+class SameBytecode {
+  def a(xs: List[Int]) = xs match {
+    case x :: _ => x
+  }
+
+  def b(xs: List[Int]) = xs match {
+    case xs: ::[Int] => xs.hd$1
+  }
+}
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