regparse.c (onig_syntax_warn): added.
regparse.c (CC_ESC_WARN, CLOSE_BRACKET_WITHOUT_ESC_WARN, CC_DUP_WARN, UNKNOWN_ESC_WARN): use onig_syntax_warn.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25292 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
regparse.c (onig_syntax_warn): added.
regparse.c (CC_ESC_WARN, CLOSE_BRACKET_WITHOUT_ESC_WARN,
CC_DUP_WARN, UNKNOWN_ESC_WARN): use onig_syntax_warn.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25292 b2dd03c8-39d4-4d8f-98ff-823fe69b080e