uses: also check the default formulae.

This means e.g. `elixir` will show up as using `erlang`.

1 files changed, 2 insertions, 2 deletions

diff --git a/Library/Homebrew/cmd/uses.rb b/Library/Homebrew/cmd/uses.rb
index 41ffc94e1..44410da96 100644
--- a/Library/Homebrew/cmd/uses.rb
+++ b/Library/Homebrew/cmd/uses.rb
@@ -23,13 +23,13 @@ module Homebrew
               ignores.any? { |ignore| dep.send(ignore) }
             end
             deps.any? { |dep| dep.to_formula.name == ff.name } ||
-              f.recursive_requirements.any? { |req| req.name == ff.name }
+              f.recursive_requirements.any? { |req| req.name == ff.name || req.class.default_formula == ff.name }
           else
             deps = f.deps.reject do |dep|
               ignores.any? { |ignore| dep.send(ignore) }
             end
             deps.any? { |dep| dep.to_formula.name == ff.name } ||
-              f.requirements.any? { |req| req.name == ff.name }
+              f.requirements.any? { |req| req.name == ff.name || req.class.default_formula == ff.name }
           end
         rescue FormulaUnavailableError
           # Silently ignore this case as we don't care about things used in