3 files changed, 24 insertions, 2 deletions
diff --git a/spec/ruby/core/proc/fixtures/common.rb b/spec/ruby/core/proc/fixtures/common.rb
index 6e27a2dee7..dfe67d7ba8 100644
--- a/spec/ruby/core/proc/fixtures/common.rb
+++ b/spec/ruby/core/proc/fixtures/common.rb
@@ -32,7 +32,28 @@ module ProcSpecs
       @second = b
     end
 
-    attr_reader :first, :second
+    attr_reader :first, :second, :initializer
+
+    def initialize_copy(other)
+      super
+      @initializer = :copy
+      @first = other.first
+      @second = other.second
+    end
+
+    def initialize_dup(other)
+      super
+      @initializer = :dup
+      @first = other.first
+      @second = other.second
+    end
+
+    def initialize_clone(other, **options)
+      super
+      @initializer = :clone
+      @first = other.first
+      @second = other.second
+    end
   end
 
   class Arity
diff --git a/spec/ruby/core/proc/fixtures/proc_aref.rb b/spec/ruby/core/proc/fixtures/proc_aref.rb
index a305667797..8ee355b14c 100644
--- a/spec/ruby/core/proc/fixtures/proc_aref.rb
+++ b/spec/ruby/core/proc/fixtures/proc_aref.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
 module ProcArefSpecs
   def self.aref
     proc {|a| a }["sometext"]
diff --git a/spec/ruby/core/proc/fixtures/source_location.rb b/spec/ruby/core/proc/fixtures/source_location.rb
index 688dac1e22..5572094630 100644
--- a/spec/ruby/core/proc/fixtures/source_location.rb
+++ b/spec/ruby/core/proc/fixtures/source_location.rb
@@ -44,7 +44,7 @@ module ProcSpecs
 
     def self.my_detached_lambda
       body = -> { true }
-      lambda(&body)
+      suppress_warning {lambda(&body)}
     end
 
     def self.my_detached_proc_new