Suppress warnings for variables

Author: nobu

test/ruby/test_proc.rb

@@ -1655,7 +1655,7 @@ def test_local_variable_set
 
   def test_numparam_is_not_local_variables
     "foo".tap do
-      _9
+      _9 and flunk
       assert_equal([], binding.local_variables)
       assert_raise(NameError) { binding.local_variable_get(:_9) }
       assert_raise(NameError) { binding.local_variable_set(:_9, 1) }
@@ -1674,7 +1674,7 @@ def test_numparam_is_not_local_variables
       assert_raise(NameError) { binding.local_variable_get(:_9) }
       assert_raise(NameError) { binding.local_variable_set(:_9, 1) }
       "bar".tap do
-        _9
+        _9 and flunk
         assert_equal([], binding.local_variables)
         assert_raise(NameError) { binding.local_variable_get(:_9) }
         assert_raise(NameError) { binding.local_variable_set(:_9, 1) }

test/ruby/test_rubyoptions.rb

@@ -875,7 +875,7 @@ def test_segv_loaded_features
                  '-e', '$".clear',
                  '-e', '$".unshift Bogus.new',
                  '-e', '(p $"; abort) unless $".size == 1',
-                ], success: false)
+                ], bug7402, success: false)
   end
 
   def test_segv_setproctitle

test/ruby/test_variable.rb

@@ -419,6 +419,7 @@ def test_exivar_resize_with_compaction_stress
         x
       end
     end
+    objs or flunk
   end
 
   def test_local_variables_with_kwarg
@@ -440,7 +441,7 @@ def test_many_instance_variables
   end
 
   def test_local_variables_encoding
-    α = 1
+    α = 1 or flunk
     b = binding
     b.eval("".encode("us-ascii"))
     assert_equal(%i[α b], b.local_variables)