[Bug sanitizer/55309] gcc's address-sanitizer 66% slower than clang's

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55309



--- Comment #54 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-02-22 
15:13:34 UTC ---

gcc instruments many of the builtins inline, on the assumption that the

builtins are often expanded inline and thus the interceptor might not be called

at all.  Either it isn't, or is and the gcc instrumentation is done in addition

to the interceptor's instrumentation.