4 files changed, 22 insertions, 0 deletions
diff --git a/test/files/pos/t6123-explaintypes-implicits.flags b/test/files/pos/t6123-explaintypes-implicits.flags
new file mode 100644
index 0000000000..b36707c7cf
--- /dev/null
+++ b/test/files/pos/t6123-explaintypes-implicits.flags
@@ -0,0 +1 @@
+-explaintypes
diff --git a/test/files/pos/t6123-explaintypes-implicits.scala b/test/files/pos/t6123-explaintypes-implicits.scala
new file mode 100644
index 0000000000..5242b443d5
--- /dev/null
+++ b/test/files/pos/t6123-explaintypes-implicits.scala
@@ -0,0 +1,13 @@
+object ImplicitBugReport {
+  trait Exp[+T]
+  trait CanBuildExp[-Elem, +To] extends (Exp[Elem] => To)
+  trait TraversableExp[T, ExpT <: Exp[T]] extends Exp[Traversable[T]]
+
+  implicit def canBuildExp[T]: CanBuildExp[T, Exp[T]] = ???
+  implicit def canBuildExpTrav[T, ExpT <: Exp[T]](implicit c: CanBuildExp[T, ExpT]): CanBuildExp[Traversable[T], TraversableExp[T, ExpT]] = ???
+  def toExpTempl[T, That](t: T)(implicit c: CanBuildExp[T, That]): That = ???
+
+  def testBug() {
+    val a1 = toExpTempl(Seq(1, 2, 3, 5))
+  }
+}
diff --git a/test/files/pos/t6123-explaintypes-macros.flags b/test/files/pos/t6123-explaintypes-macros.flags
new file mode 100644
index 0000000000..b36707c7cf
--- /dev/null
+++ b/test/files/pos/t6123-explaintypes-macros.flags
@@ -0,0 +1 @@
+-explaintypes
diff --git a/test/files/pos/t6123-explaintypes-macros.scala b/test/files/pos/t6123-explaintypes-macros.scala
new file mode 100644
index 0000000000..e650ad2038
--- /dev/null
+++ b/test/files/pos/t6123-explaintypes-macros.scala
@@ -0,0 +1,7 @@
+import scala.language.experimental.macros
+import scala.reflect.macros.Context
+
+object Macros {
+  def printf(format: String, params: Any*): Unit = macro printf_impl
+  def printf_impl(c: Context)(format: c.Expr[String], params: c.Expr[Any]*): c.Expr[Unit] = ???
+}