string.c (rb_str_gsub_bang): modify check at the beginning. [ruby-core:23662] ref [ruby-core:23657]
string.c (rb_str_rstrip_bang): ditto. [ruby-core:23657]
string.c (rb_str_chop_bang): ditto.
string.c (rb_str_chomp_bang): ditto.
string.c (rb_str_reverse_bang): modify check added. [ruby-core:23671]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23620 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
string.c (rb_str_gsub_bang): modify check at the beginning.
[ruby-core:23662] ref [ruby-core:23657]
string.c (rb_str_rstrip_bang): ditto. [ruby-core:23657]
string.c (rb_str_chop_bang): ditto.
string.c (rb_str_chomp_bang): ditto.
string.c (rb_str_reverse_bang): modify check added. [ruby-core:23671]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23620 b2dd03c8-39d4-4d8f-98ff-823fe69b080e