id summary reporter owner description type status milestone component version severity resolution keywords cc 11712 dump_avx2 breaks -flto pal666@… Andrey Semashev "you know this already, but according to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61043#c3 you can use https://gcc.gnu.org/onlinedocs/gcc-5.2.0/gcc/Function-Specific-Option-Pragmas.html since gcc 4.9. or at least provide build-time switch for disabling this optimization, the best workaround i found is commenting out offending sources in jamfile, which is suboptimal." Bugs closed To Be Determined log Boost 1.59.0 Problem duplicate