This solves the gem loading issue by never touching $LOAD_PATH
in gem_prelude and instead loading all of rubygems more quickly.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28693 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
It caused many failures on test-all and following is SEGV.
./ruby -e 'require %!#{"foo/" * 10000}foo!'
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28245 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
get rid of creating same regexps many times.
* lib/rubygems/custom_require.rb (Kernel#require): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27455 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
