[Bug sanitizer/70541] unnoticed invalid dereference when using address sanitizer

[chefmax at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70541

--- Comment #5 from chefmax at gcc dot gnu.org ---
Author: chefmax
Date: Fri Apr  8 10:46:13 2016
New Revision: 234827

URL: https://gcc.gnu.org/viewcvs?rev=234827&root=gcc&view=rev
Log:
2016-04-08  Maxim Ostapenko  <m.ostape...@samsung.com>

        PR sanitizer/70541
        * asan.c (instrument_derefs): If we get unknown location, extract it
        with EXPR_LOCATION.
        (maybe_instrument_call): Instrument gimple_call's arguments if needed.

        * c-c++-common/asan/pr70541.c: New test.

Added:
    trunk/gcc/testsuite/c-c++-common/asan/pr70541.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/asan.c
    trunk/gcc/testsuite/ChangeLog