* bootstraptest/test_thread.rb: rescue resource limitation errors.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41585 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* bignum.c (integer_unpack_single_bdigit): Use a cast.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41586 b2dd03c8-39d4-4d8f-98ff-823fe69b080e