http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59709
Akira Takahashi <faithandbrave at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #2 from Akira Takahashi <faithandbrave at gmail dot com> --- http://stackoverflow.com/questions/20763665/boost-spirit-v2-qi-bug-associated-with-optimization-level Sorry, this is Boost.Spirit's issue. not optimization issue.