http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59061
--- Comment #25 from Kostya Serebryany <kcc at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #24) > Just tried to bootstrap/regtest that patch, unfortunately it doesn't build > at all on i686. Is it meant to work on x86_64 only (or only for > SANITIZER_WORDSIZE == 64)? Yes, as of now lsan is supported only on x86_64. (heh, this time it is even properly documented. Good! https://code.google.com/p/address-sanitizer/wiki/LeakSanitizer)