Fix for exponential compile time in specialization.

Review by @prokopec.

1 files changed, 47 insertions, 0 deletions

diff --git a/test/files/pos/exponential-spec.scala b/test/files/pos/exponential-spec.scala
new file mode 100644
index 0000000000..83aef58f7e
--- /dev/null
+++ b/test/files/pos/exponential-spec.scala
@@ -0,0 +1,47 @@
+// a.scala
+// Sat Jun 30 19:51:17 PDT 2012
+
+trait Exp[T]
+
+object Test {
+  def f[T](exp: Exp[T]): Exp[T] = (
+    f[T] _ 
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]      // 4s
+      compose f[T]      // 5s
+      compose f[T]      // 5s
+      compose f[T]      // 6s
+      compose f[T]      // 7s
+      compose f[T]      // 8s
+      compose f[T]      // 11s
+      compose f[T]      // 17s
+      compose f[T]      // 29s
+      compose f[T]      // 54s
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]
+      compose f[T]      
+    )(exp)
+}