test_exception.rb: missing test

* test/ruby/test_exception.rb (test_name_error_info): add missing
  test of NoMethodError and NameError.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48478 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-11-19

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48479 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* internal.h: Gather declarations in non-header files.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48480 b2dd03c8-39d4-4d8f-98ff-823fe69b080e