diff --git a/actionpack/lib/action_dispatch/routing/route_set.rb b/actionpack/lib/action_dispatch/routing/route_set.rb
index 1d6ca0c78daf7419636e2379ca9c46b873eb5650..0bbed6cbea4244aebfb0553f4a1c1e007de0d694 100644
--- a/actionpack/lib/action_dispatch/routing/route_set.rb
+++ b/actionpack/lib/action_dispatch/routing/route_set.rb
@@ -333,7 +333,7 @@ def define_mounted_helper(name)
           end
         end
 
-        MountedHelpers.class_eval <<-RUBY
+        MountedHelpers.class_eval(<<-RUBY, __FILE__, __LINE__ + 1)
           def #{name}
             @#{name} ||= _#{name}
           end
diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb
index 477bb91412e68cea7a9bd69649d264194363e7c0..bd850ce6902bbc0f9a67a568e3f67b3fb77b8072 100644
--- a/activerecord/test/cases/associations/has_many_associations_test.rb
+++ b/activerecord/test/cases/associations/has_many_associations_test.rb
@@ -1467,7 +1467,7 @@ def test_creating_using_primary_key
 
   def test_defining_has_many_association_with_delete_all_dependency_lazily_evaluates_target_class
     ActiveRecord::Reflection::AssociationReflection.any_instance.expects(:class_name).never
-    class_eval <<-EOF
+    class_eval(<<-EOF, __FILE__, __LINE__ + 1)
       class DeleteAllModel < ActiveRecord::Base
         has_many :nonentities, :dependent => :delete_all
       end
@@ -1476,7 +1476,7 @@ class DeleteAllModel < ActiveRecord::Base
 
   def test_defining_has_many_association_with_nullify_dependency_lazily_evaluates_target_class
     ActiveRecord::Reflection::AssociationReflection.any_instance.expects(:class_name).never
-    class_eval <<-EOF
+    class_eval(<<-EOF, __FILE__, __LINE__ + 1)
       class NullifyModel < ActiveRecord::Base
         has_many :nonentities, :dependent => :nullify
       end
diff --git a/activerecord/test/cases/attribute_methods_test.rb b/activerecord/test/cases/attribute_methods_test.rb
index fe385feb4a9e862b58bd7c2c8e38fed661746442..aa0cdf5dfbccdd2b6d15e50a08056923e4a3abc1 100644
--- a/activerecord/test/cases/attribute_methods_test.rb
+++ b/activerecord/test/cases/attribute_methods_test.rb
@@ -816,7 +816,7 @@ def in_time_zone(zone)
   end
 
   def privatize(method_signature)
-    @target.class_eval <<-private_method
+    @target.class_eval(<<-private_method, __FILE__, __LINE__ + 1)
       private
       def #{method_signature}
         "I'm private"
diff --git a/activesupport/test/multibyte_chars_test.rb b/activesupport/test/multibyte_chars_test.rb
index a8d69d0ec3fb070c18784b87c90df0d49ed30bbf..ef289692bc53050b069c6fac603d0eca5557169d 100644
--- a/activesupport/test/multibyte_chars_test.rb
+++ b/activesupport/test/multibyte_chars_test.rb
@@ -110,7 +110,7 @@ def test_split_should_return_an_array_of_chars_instances
   end
 
   %w{capitalize downcase lstrip reverse rstrip swapcase upcase}.each do |method|
-    class_eval(<<-EOTESTS)
+    class_eval(<<-EOTESTS, __FILE__, __LINE__ + 1)
       def test_#{method}_bang_should_return_self_when_modifying_wrapped_string
         chars = ' él piDió Un bUen café '
         assert_equal chars.object_id, chars.send("#{method}!").object_id
diff --git a/railties/test/generators_test.rb b/railties/test/generators_test.rb
index ad2f85a5ffb1511da1c175a410e2249da0113048..027d8eb9b7b92950c5cd410dafff736fe311c31a 100644
--- a/railties/test/generators_test.rb
+++ b/railties/test/generators_test.rb
@@ -167,7 +167,7 @@ def test_nested_fallbacks_for_generators
   def test_developer_options_are_overwriten_by_user_options
     Rails::Generators.options[:with_options] = { :generate => false }
 
-    self.class.class_eval <<-end_eval
+    self.class.class_eval(<<-end_eval, __FILE__, __LINE__ + 1)
       class WithOptionsGenerator < Rails::Generators::Base
         class_option :generate, :default => true
       end