RUBY_DEVEL flag
configure.in: define RUBY_DEVEL only in the trunk.
gc.c: enable runtime rgengc debug if RUBY_DEVEL
ruby.c (debug_option): enable RUBY_DEBUG in --debug option only if RUBY_DEVEL.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59131 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
RUBY_DEVEL flag
configure.in: define RUBY_DEVEL only in the trunk.
gc.c: enable runtime rgengc debug if RUBY_DEVEL
ruby.c (debug_option): enable RUBY_DEBUG in --debug option only
if RUBY_DEVEL.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59131 b2dd03c8-39d4-4d8f-98ff-823fe69b080e