Merge commit '395e90a786' into pr/merge-395e90a786

* commit '395e90a786':
  SI-7251, compiler crash with $.
  SI-7240 fixes language feature lookup
  SI-7233 Account for aliased imports in Erasure
  SI-7233 Account for aliased imports in eta expansion.
  SI-7132 - don't discard Unit type in interpreter
  SI-6725 `f` interpolator now supports %n tokens

Conflicts:
	src/compiler/scala/tools/nsc/symtab/classfile/ClassfileParser.scala
	src/compiler/scala/tools/nsc/typechecker/EtaExpansion.scala
	src/repl/scala/tools/nsc/interpreter/ExprTyper.scala

7 files changed, 72 insertions, 0 deletions

diff --git a/test/files/run/t6725-1.check b/test/files/run/t6725-1.check
new file mode 100644
index 0000000000..6ed281c757
--- /dev/null
+++ b/test/files/run/t6725-1.check
@@ -0,0 +1,2 @@
+1
+1
diff --git a/test/files/run/t6725-1.scala b/test/files/run/t6725-1.scala
new file mode 100644
index 0000000000..a167ef8aa3
--- /dev/null
+++ b/test/files/run/t6725-1.scala
@@ -0,0 +1,5 @@
+object Test extends App {
+  val a = 1
+  val s = f"$a%s%n$a%s"
+  println(s)
+}
\ No newline at end of file
diff --git a/test/files/run/t6725-2.check b/test/files/run/t6725-2.check
new file mode 100644
index 0000000000..3496917ad5
--- /dev/null
+++ b/test/files/run/t6725-2.check
@@ -0,0 +1,8 @@
+
+
+aaaa
+
+
+aaaa
+aaaa
+aaaa
diff --git a/test/files/run/t6725-2.scala b/test/files/run/t6725-2.scala
new file mode 100644
index 0000000000..e033cf5ea8
--- /dev/null
+++ b/test/files/run/t6725-2.scala
@@ -0,0 +1,6 @@
+object Test extends App {
+  println(f"%n")
+  println(f"aaaa%n")
+  println(f"%naaaa")
+  println(f"aaaa%naaaa")
+}
\ No newline at end of file
diff --git a/test/files/run/t7240.check b/test/files/run/t7240.check
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/files/run/t7240.check
diff --git a/test/files/run/t7240/Macros_1.scala b/test/files/run/t7240/Macros_1.scala
new file mode 100644
index 0000000000..6465e18760
--- /dev/null
+++ b/test/files/run/t7240/Macros_1.scala
@@ -0,0 +1,48 @@
+package bakery
+
+import scala.language.experimental.macros
+import scala.reflect.macros.Context
+
+trait FailureCake {
+  implicit def liftAnyFails[T: Manifest]: Any = ???
+
+  // This works
+  // implicit def liftAny[T]: Any = ???
+}
+
+object Bakery {
+
+  def failure: Any = macro failureImpl
+  def failureImpl(c: Context): c.Expr[Any] = {
+    import c.universe._
+
+    def dslTrait(dslName: String) = {
+      val names = dslName.split("\\.").toList.reverse
+      assert(names.length >= 1, "DSL trait name must be in the valid format. DSL trait name is " + dslName)
+
+      val tpeName = newTypeName(names.head)
+      names.tail.reverse match {
+        case head :: tail ⇒
+          Select(tail.foldLeft[Tree](Ident(newTermName(head)))((tree, name) ⇒ Select(tree, newTermName(name))), tpeName)
+        case Nil ⇒
+          Ident(tpeName)
+      }
+    }
+
+    def composeDSL(transformedBody: Tree) =
+      ClassDef(Modifiers(), newTypeName("eval"), List(), Template(
+        List(dslTrait("bakery.FailureCake")),
+        emptyValDef,
+        List(
+          DefDef(Modifiers(), nme.CONSTRUCTOR, List(), List(List()), TypeTree(),
+            Block(List(Apply(Select(Super(This(tpnme.EMPTY), tpnme.EMPTY), nme.CONSTRUCTOR), List())), Literal(Constant(())))),
+          DefDef(Modifiers(), newTermName("main"), List(), List(List()), Ident(newTypeName("Any")), transformedBody))))
+
+    def constructor = Apply(Select(New(Ident(newTypeName("eval"))), nme.CONSTRUCTOR), List())
+
+    c.eval(c.Expr[Any](
+      c.resetAllAttrs(Block(composeDSL(Literal(Constant(1))), constructor))))
+
+    c.Expr[Any](Literal(Constant(1)))
+  }
+}
\ No newline at end of file
diff --git a/test/files/run/t7240/Test_2.scala b/test/files/run/t7240/Test_2.scala
new file mode 100644
index 0000000000..2450bdabf9
--- /dev/null
+++ b/test/files/run/t7240/Test_2.scala
@@ -0,0 +1,3 @@
+object Test extends App {
+  bakery.Bakery.failure
+}
\ No newline at end of file