4 files changed, 10 insertions, 3 deletions
diff --git a/test/files/pos/t6091.scala b/test/files/pos/t6091.scala
index 72e663ec3b..0318640e7b 100644
--- a/test/files/pos/t6091.scala
+++ b/test/files/pos/t6091.scala
@@ -1,6 +1,6 @@
-object Foo { def eq(x:Int) = x }
+object Foo { def eq(x: Int) = x }
 
-class X { def ==(other: String) = true }
+class X { def ==(other: String) = other.nonEmpty }
 
 object Test {
   def main(args: Array[String]): Unit = {
diff --git a/test/files/pos/t8013.flags b/test/files/pos/t8013.flags
index 3955bb6710..219723cec9 100644
--- a/test/files/pos/t8013.flags
+++ b/test/files/pos/t8013.flags
@@ -1 +1 @@
--Xfatal-warnings -Xlint:-infer-any,_
+-Xfatal-warnings -Xlint:missing-interpolator
diff --git a/test/files/pos/t8040.flags b/test/files/pos/t8040.flags
new file mode 100644
index 0000000000..3126c059f0
--- /dev/null
+++ b/test/files/pos/t8040.flags
@@ -0,0 +1 @@
+-Xfatal-warnings -Ywarn-unused:params
diff --git a/test/files/pos/t8040.scala b/test/files/pos/t8040.scala
new file mode 100644
index 0000000000..b067f36b0b
--- /dev/null
+++ b/test/files/pos/t8040.scala
@@ -0,0 +1,6 @@
+
+object Test {
+  implicit class C(val sc: StringContext) {                 // no warn unused sc
+    def c(args: Any*): String = "c?" + args.mkString(",")   // would warn unused args
+  }
+}