[Bug libstdc++/58737] leak in std::regex_match

[larsbj at lyx dot org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58737

--- Comment #1 from larsbj at lyx dot org ---
Created attachment 31011
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31011&action=edit
small program showing the problem