http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58937
--- Comment #16 from Yury Gribov <y.gribov at samsung dot com> --- (In reply to Evgeniy Stepanov from comment #15) > In fact, a recent change disabled ASAN_FLEXIBLE_MAPPING_AND_OFFSET and > killed all supporting code. Or are you talking about a different change? Sorry, I was looking at commit which introduced it in Jan 21 _2013_. It works.