Update test to show that scala#7942 is fixed

Author: odersky

tests/run/targetName.check

@@ -0,0 +1,3 @@
+strings: ArraySeq(hello)
+ints: ArraySeq(1, 2)
+objs: ArraySeq(1, hi)

tests/run/targetName.scala

@@ -5,8 +5,6 @@ object A:
   @targetName("f2") def f(x: => Int): Int = x
 
 import A._
-@main def Test =
-  assert(f("abc") == f(3))
 
 trait T:
   def f(x: => String): Int
@@ -21,3 +19,18 @@ object B1 extends C, T:
 
 object B2 extends C, T:
   override def f(x: => String): Int = x.length + 1
+
+@targetName("fooString") def foo(ps: String*) : Unit = println(s"strings: $ps")
+@targetName("fooInt") def foo(ps: Int*) : Unit = println(s"ints: $ps")
+@targetName("fooAny") def foo(ps: Any*) : Unit = println(s"objs: $ps")
+
+@main def Test =
+  assert(f("abc") == f(3))
+  assert(B2.f("abc") == 4)
+  val t: T = B1
+  assert(t.f(2) == 3)
+  foo("hello")
+  foo(1, 2)
+  foo(1, "hi")
+
+