Reduce some more Hash#fetch + default object allocations

1 files changed, 2 insertions, 2 deletions

diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb
index 42e770c5bf..da95e14cbb 100644
--- a/actionpack/lib/action_dispatch/routing/mapper.rb
+++ b/actionpack/lib/action_dispatch/routing/mapper.rb
@@ -1887,7 +1887,7 @@ module ActionDispatch
             options_constraints = options.delete(:constraints) || {}
 
             path_types = paths.group_by(&:class)
-            path_types.fetch(String, []).each do |_path|
+            (path_types[String] || []).each do |_path|
               route_options = options.dup
               if _path && option_path
                 raise ArgumentError, "Ambiguous route definition. Both :path and the route path were specified as strings."
@@ -1896,7 +1896,7 @@ module ActionDispatch
               decomposed_match(_path, controller, route_options, _path, to, via, formatted, anchor, options_constraints)
             end
 
-            path_types.fetch(Symbol, []).each do |action|
+            (path_types[Symbol] || []).each do |action|
               route_options = options.dup
               decomposed_match(action, controller, route_options, option_path, to, via, formatted, anchor, options_constraints)
             end