Ruby » Ruby master

regexec.c: invalidate previously matched position

• regexec.c (match_at): invalidate end position not yet matched
  when new start position is pushed, to dispose previously stored
  position. [ruby-core:83743] [Bug #14101]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60755 b2dd03c8-39d4-4d8f-98ff-823fe69b080e