SI-9839 Avoid crash in macro import selector pos

Ignore bad name pos.

Also delete unused val. Thanks, `-Ywarn-unused`!

3 files changed, 23 insertions, 1 deletions

diff --git a/test/files/neg/warn-unused-imports.check b/test/files/neg/warn-unused-imports.check
index 0a53d7a9cd..29d73a6264 100644
--- a/test/files/neg/warn-unused-imports.check
+++ b/test/files/neg/warn-unused-imports.check
@@ -51,5 +51,8 @@ warn-unused-imports_2.scala:149: warning: Unused import
 warn-unused-imports_2.scala:150: warning: Unused import
     import p1.A                         // warn
               ^
-16 warnings found
+warn-unused-imports_2.scala:158: warning: Unused import
+  def x = Macro.f  // warn, not crash
+                ^
+17 warnings found
 one error found
diff --git a/test/files/neg/warn-unused-imports/sample_1.scala b/test/files/neg/warn-unused-imports/sample_1.scala
index d2f86239db..eea4d0eb4c 100644
--- a/test/files/neg/warn-unused-imports/sample_1.scala
+++ b/test/files/neg/warn-unused-imports/sample_1.scala
@@ -15,3 +15,18 @@ object Sample {
   def f(x: X) = ???
   def g(y: Y) = ???
 }
+
+import scala.language.experimental.macros
+import scala.reflect.macros.blackbox.Context
+ 
+object Macro {
+  def f: Int = macro fImpl
+  def fImpl(c: Context): c.Tree = {
+    import c.universe._
+ 
+    q"""
+     import scala.util.Random
+     42 // TODO randomize
+    """
+  }
+}
diff --git a/test/files/neg/warn-unused-imports/warn-unused-imports_2.scala b/test/files/neg/warn-unused-imports/warn-unused-imports_2.scala
index 56ad3393a1..58fe0131d9 100644
--- a/test/files/neg/warn-unused-imports/warn-unused-imports_2.scala
+++ b/test/files/neg/warn-unused-imports/warn-unused-imports_2.scala
@@ -153,3 +153,7 @@ trait Outsiders {
     //Future("abc".bippy)
   }
 }
+
+class MacroClient {
+  def x = Macro.f  // warn, not crash
+}