Status quo

[Cherry-picked 451ec1b]

Author: som-snytt

tests/warn/i21805.scala

@@ -0,0 +1,31 @@
+//> using options -Wunused:imports
+
+def i23967: Boolean = {
+  //import scala.compiletime.testing.typeCheckErrors
+  import scala.compiletime.testing.* // warn
+  typeChecks("2 + 2")
+}
+
+package p:
+  val code = """"hello, world""""
+package c:
+  class C(i: Int)
+
+package q:
+  import c.* // warn should be nowarn
+  import p.* // warn should be nowarn
+  import scala.compiletime.testing.*
+  def test() = typeCheckErrors("""println(C("hello, world"))""")
+  def ok() = typeChecks("println(code)")
+  inline def f(inline i: Int) = 42 + i
+
+package i23967b:
+  package ok:
+    import scala.compiletime.testing.* // warn
+    def test() = typeChecks("42 + 27")
+  package nok:
+    import scala.compiletime.testing.typeChecks // warn
+    def test() = typeChecks("42 + 27")
+
+@main def Test = println:
+  q.f(27)