[Bug sanitizer/82517] use-after-scope for a variable with big alignment causes a false positive

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82517

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Thu Oct 19 07:50:48 2017
New Revision: 253879

URL: https://gcc.gnu.org/viewcvs?rev=253879&root=gcc&view=rev
Log:
Do not instrument use-after-scope for vars with large alignment (PR
sanitizer/82517).

2017-10-19  Martin Liska  <mli...@suse.cz>

        PR sanitizer/82517
        * gimplify.c (gimplify_decl_expr): Do not instrument variables
        that have a large alignment.
        (gimplify_target_expr): Likewise.
2017-10-19  Martin Liska  <mli...@suse.cz>

        PR sanitizer/82517
        * gcc.dg/asan/pr82517.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/asan/pr82517.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimplify.c
    trunk/gcc/testsuite/ChangeLog