Fix and test case for #2636.

1 files changed, 35 insertions, 0 deletions

diff --git a/test/files/run/bug2636.scala b/test/files/run/bug2636.scala
new file mode 100644
index 0000000000..8c49a733fd
--- /dev/null
+++ b/test/files/run/bug2636.scala
@@ -0,0 +1,35 @@
+object Test
+{
+  type Foo = { def update(x: Int, value: String): Unit }
+  type Foo2 = { def update(x: Int, value: String): Int }
+  type Foo3 = { def update(x: Int, value: String): Array[Int] }
+
+  def alen() = {
+    type L1 = { def length: Int }
+    def len(p: L1) = p.length
+    val x: L1 = Array(1,2,3)
+    len(x)
+  }
+
+  type A1 = { def apply(x: Int): String }
+  def arrApply(a: A1, x: Int) = a(x)
+
+  def main(args: Array[String]): Unit = {
+    val arr = new Array[String](3)
+    val p1: Foo = arr
+    def a1 = p1(0) = "b"
+
+    val p2: Foo2 = new { def update(x: Int, value: String) = { p1(1) = "o" ; 1 } }
+    def a2 = p2(0) = "c"
+
+    val p3: Foo3 = new { def update(x: Int, value: String) = { p1(2) = "b" ; Array(1) } }
+    def a3 = p3(10) = "hi mom"
+
+    a1 ; a2 ; a3 ;
+
+    assert(arr.mkString == "bob")
+    assert(alen() == 3)
+    assert(arrApply(arr, 1) == "o")
+    assert(arrApply(new { def apply(x: Int) = "tom" }, -100) == "tom")
+  }
+}
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