[ruby-dev:24899]

* process.c (get_pid): ditto.  [ruby-dev:24904]

* process.c (get_ppid): ditto.

* array.c (rb_ary_delete): defer rb_ary_modify() until actual
  modification.  [ruby-dev:24901]

* parse.y (newline_node): should not use FL_SET. [ruby-dev:24874]

* parse.y (string_content): should not use FL_UNSET.

* node.h (NODE_NEWLINE): remove unused bit to utilize flag field
  in nodes.

* string.c (rb_str_splice): move rb_str_modify() after
  StringValue(), which may alter the receiver.  [ruby-dev:24878]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@7307 b2dd03c8-39d4-4d8f-98ff-823fe69b080e