test-spec.patch

diff --git a/spec/ruby/core/enumerable/fixtures/classes.rb b/spec/ruby/core/enumerable/fixtures/classes.rb
index 2701c6999c..b89a7038db 100644
--- a/spec/ruby/core/enumerable/fixtures/classes.rb
+++ b/spec/ruby/core/enumerable/fixtures/classes.rb
@@ -37,13 +37,13 @@ def each(*arg)
 
   class Empty
     include Enumerable
-    def each
+    def each(&_)
     end
   end
 
   class EmptyWithSize
     include Enumerable
-    def each
+    def each(&_)
     end
     def size
       0
@@ -52,7 +52,7 @@ def size
 
   class ThrowingEach
     include Enumerable
-    def each
+    def each(&_)
       raise "from each"
     end
   end
diff --git a/spec/ruby/core/kernel/define_singleton_method_spec.rb b/spec/ruby/core/kernel/define_singleton_method_spec.rb
index 24acec84f5..7df2122482 100644
--- a/spec/ruby/core/kernel/define_singleton_method_spec.rb
+++ b/spec/ruby/core/kernel/define_singleton_method_spec.rb
@@ -88,7 +88,7 @@ class DefineMethodByProcClass
 
   it "does not use the caller block when no block is given" do
     o = Object.new
-    def o.define(name)
+    def o.define(name, &_)
       define_singleton_method(name)
     end
 
diff --git a/spec/ruby/core/kernel/fixtures/classes.rb b/spec/ruby/core/kernel/fixtures/classes.rb
index 541a4c075e..8cf7d5eab5 100644
--- a/spec/ruby/core/kernel/fixtures/classes.rb
+++ b/spec/ruby/core/kernel/fixtures/classes.rb
@@ -211,7 +211,7 @@ def get_binding
 
 
   module BlockGiven
-    def self.accept_block
+    def self.accept_block &_
       block_given?
     end
 
@@ -227,7 +227,7 @@ class << self
   end
 
   module SelfBlockGiven
-    def self.accept_block
+    def self.accept_block &_
       self.send(:block_given?)
     end
 
@@ -243,7 +243,7 @@ class << self
   end
 
   module KernelBlockGiven
-    def self.accept_block
+    def self.accept_block(&_)
       Kernel.block_given?
     end
 
diff --git a/spec/ruby/core/kernel/proc_spec.rb b/spec/ruby/core/kernel/proc_spec.rb
index 6553b8fd04..d39a593af9 100644
--- a/spec/ruby/core/kernel/proc_spec.rb
+++ b/spec/ruby/core/kernel/proc_spec.rb
@@ -36,7 +36,7 @@ def test
 end
 
 describe "Kernel#proc" do
-  def some_method
+  def some_method(&_)
     proc
   end
 
diff --git a/spec/ruby/core/module/define_method_spec.rb b/spec/ruby/core/module/define_method_spec.rb
index e04bb87ceb..11e47a8b31 100644
--- a/spec/ruby/core/module/define_method_spec.rb
+++ b/spec/ruby/core/module/define_method_spec.rb
@@ -289,7 +289,7 @@ def obj.to_str() [] end
 
   it "does not use the caller block when no block is given" do
     o = Object.new
-    def o.define(name)
+    def o.define(name, &_)
       self.class.class_eval do
         define_method(name)
       end
diff --git a/spec/ruby/core/objectspace/garbage_collect_spec.rb b/spec/ruby/core/objectspace/garbage_collect_spec.rb
index 521eaa8785..c31f060944 100644
--- a/spec/ruby/core/objectspace/garbage_collect_spec.rb
+++ b/spec/ruby/core/objectspace/garbage_collect_spec.rb
@@ -11,7 +11,7 @@
   end
 
   it "ignores the supplied block" do
-    -> { ObjectSpace.garbage_collect {} }.should_not raise_error
+    -> { ObjectSpace.garbage_collect {} }.should_not raise_error # TODO: memo: what is that?
   end
 
   it "always returns nil" do
diff --git a/spec/ruby/core/proc/fixtures/common.rb b/spec/ruby/core/proc/fixtures/common.rb
index 6e27a2dee7..e1653b497e 100644
--- a/spec/ruby/core/proc/fixtures/common.rb
+++ b/spec/ruby/core/proc/fixtures/common.rb
@@ -4,7 +4,7 @@ def to_ary
       nil
     end
   end
-  def self.new_proc_in_method
+  def self.new_proc_in_method(&_)
     Proc.new
   end
 
@@ -19,7 +19,7 @@ def self.proc_for_1
   class ProcSubclass < Proc
   end
 
-  def self.new_proc_subclass_in_method
+  def self.new_proc_subclass_in_method &_
     ProcSubclass.new
   end
 
diff --git a/spec/ruby/core/proc/new_spec.rb b/spec/ruby/core/proc/new_spec.rb
index b2b7387756..9afe6339dd 100644
--- a/spec/ruby/core/proc/new_spec.rb
+++ b/spec/ruby/core/proc/new_spec.rb
@@ -167,7 +167,7 @@ def some_method
   end
 
   it "raises an ArgumentError when passed no block" do
-    def some_method
+    def some_method &_
       Proc.new
     end
 
diff --git a/spec/ruby/fixtures/class.rb b/spec/ruby/fixtures/class.rb
index 98cb6c82a2..1f34a0ff91 100644
--- a/spec/ruby/fixtures/class.rb
+++ b/spec/ruby/fixtures/class.rb
@@ -1,6 +1,6 @@
 module ClassSpecs
 
-  def self.sclass_with_block
+  def self.sclass_with_block(&_) # TODO: yield in eval
     eval <<-RUBY
     class << self
       yield
diff --git a/spec/ruby/language/delegation_spec.rb b/spec/ruby/language/delegation_spec.rb
index d780506421..4aa5bebe2e 100644
--- a/spec/ruby/language/delegation_spec.rb
+++ b/spec/ruby/language/delegation_spec.rb
@@ -82,8 +82,8 @@ def delegate(*)
     it "delegates kwargs" do
       a = Class.new(DelegationSpecs::Target)
       a.class_eval(<<-RUBY)
-      def delegate(**)
-        target(**)
+      def delegate(**, &_) # memo: bug?
+        target(**, &_)
       end
     RUBY
 
diff --git a/spec/ruby/language/fixtures/delegation.rb b/spec/ruby/language/fixtures/delegation.rb
index 527d928390..a9d1e0110e 100644
--- a/spec/ruby/language/fixtures/delegation.rb
+++ b/spec/ruby/language/fixtures/delegation.rb
@@ -1,6 +1,6 @@
 module DelegationSpecs
   class Target
-    def target(*args, **kwargs)
+    def target(*args, **kwargs, &_)
       [args, kwargs]
     end
 
diff --git a/spec/ruby/security/cve_2019_8322_spec.rb b/spec/ruby/security/cve_2019_8322_spec.rb
index b70d78c033..7a25b68268 100644
--- a/spec/ruby/security/cve_2019_8322_spec.rb
+++ b/spec/ruby/security/cve_2019_8322_spec.rb
@@ -8,7 +8,7 @@
 describe "CVE-2019-8322 is resisted by" do
   it "sanitising owner names" do
     command = Gem::Commands::OwnerCommand.new
-    def command.rubygems_api_request(*args)
+    def command.rubygems_api_request(*args, &_)
       Struct.new(:body).new("---\n- email: \"\e]2;nyan\a\"\n  handle: handle\n  id: id\n")
     end
     def command.with_response(response)