* numeric.c (bit_coerce): use original value for error message
	  [ruby-core:67405] [Bug #10711]

	* test/ruby/test_numeric.rb (test_coerce): check error message


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@49313 b2dd03c8-39d4-4d8f-98ff-823fe69b080e