context-bounds-migration-3.4.check

-- Warning: tests/warn/context-bounds-migration-3.4.scala:9:2 ----------------------------------------------------------
9 |  foo(C[Int]())  // warn
  |  ^^^
  |  Context bounds will map to context parameters.
  |  A `using` clause is needed to pass explicit arguments to them.
  |  This code can be rewritten automatically under -rewrite -source 3.4-migration.