http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59136
--- Comment #6 from Alexey Samsonov <samsonov at google dot com> --- (In reply to Richard Biener from comment #5) > No processes should be launched at all. Blocks the release - please make it > at least configurable to be able to turn it off. External process will only be launched if a user has llvm-symbolizer binary in his PATH. This behaivor can also be turned off with a runtime option (ASAN_OPTIONS=symbolize=false).