------- Comment #13 from jakub at gcc dot gnu dot org 2009-05-12 18:56 ------- In 4.4.0/x86_64-linux at -O2 at least the problem seems to be that in: _ZNK5boost9xpressive6detail17xpression_adaptorINS1_16static_xpressionINS1_17alternate_matcherINS1_15alternates_listINS3_INS1_13regex_matcherIN9__gnu_cxx17__normal_iteratorIPKcSsEEEENS3_INS1_21alternate_end_matcherENS1_7no_nextEEEEENS5_ISG_NS_6fusion3nilEEEEENS0_16cpp_regex_traitsIcEEEENS3_INS1_11end_matcherESE_EEEENS1_12matchable_exISB_EEE5matchERNS1_11match_stateISB_EE adaptor is destructed before the push_context_match call. In *.optimized dump we have: <bb 9>: adaptor.D.166953._vptr.matchable = &_ZTVN5boost9xpressive6detail17xpression_adaptorINS_17reference_wrapperIKNS1_17stacked_xpressionINS1 _16static_xpressionINS1_11end_matcherENS1_7no_nextEEENS5_INS1_21alternate_end_matcherES7_EEEEEENS1_9matchableIN9__gnu_cxx17__normal_itera torIPKcSsEEEEEE[2]; adaptor.xpr_.t_ = (const struct stacked_xpression *) (const struct stacked_xpression &) &this->xpr_.D.142582.alternates_.D.142415.cdr.D .142229.car.next_; adaptor.D.166953._vptr.matchable = &_ZTVN5boost9xpressive6detail9matchableIN9__gnu_cxx17__normal_iteratorIPKcSsEEEE[2]; D.187198 = push_context_match (&this->xpr_.D.142582.alternates_.D.142415.cdr.D.142229.car.D.142156.impl_, state, &adaptor.D.166953); goto <bb 11>;
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39509
