Fix for SI-6662, macro failing too early.

Don't give up before you try tupling. Who knows what
someone might be doing with a Unit.

2 files changed, 16 insertions, 0 deletions

diff --git a/test/files/run/t6662/Macro_1.scala b/test/files/run/t6662/Macro_1.scala
new file mode 100644
index 0000000000..f373eaaf94
--- /dev/null
+++ b/test/files/run/t6662/Macro_1.scala
@@ -0,0 +1,8 @@
+import language.experimental.macros
+import scala.reflect.macros.Context
+
+object Demo {
+  def id[T](a: T): T = macro idImpl[T]
+
+  def idImpl[T: c.WeakTypeTag](c: Context)(a: c.Expr[T]): c.Expr[T] = a
+}
diff --git a/test/files/run/t6662/Test_2.scala b/test/files/run/t6662/Test_2.scala
new file mode 100644
index 0000000000..03a80b655a
--- /dev/null
+++ b/test/files/run/t6662/Test_2.scala
@@ -0,0 +1,8 @@
+// Macro usage:
+
+object Test {
+   def main(args: Array[String]) {
+      val s = Demo id ()
+      println(s)
+   }
+}