https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69794
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P2
Known to work| |5.1.0, 5.2.0
Target Milestone|--- |5.4
Summary|[5 Regression] |[5/6 Regression]
|std::regex_search match |std::regex_search match
|failure with regex object |failure with regex object
|with flags grep|icase |with flags grep|icase
Known to fail| |5.3.0, 6.0
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
5.1 and 5.2 work for me.