[libc] Add no_sanitize("address") attribute to the getMPFRMatcher function.

This dramtically reduces the run time of tests. For example,
sincosf_test takes over 25 minutes without this attribute but only 8
seconds with this attribute.

GitOrigin-RevId: fbaaa16802d7b2fc096c8ed5fa23e0cad56807a2
1 file changed