diff options
| author | Martin Liska <mliska@suse.cz> | 2017-06-28 09:59:23 +0200 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2017-06-28 07:59:23 +0000 |
| commit | 6dc61b4533d9b58c10a57761378701e2f9d1b9c0 (patch) | |
| tree | d60813334f2635c212881c64cdbfa4f43714df77 /gcc/asan.c | |
| parent | 576f123b8342072609eb78e6d36736c2e469cda0 (diff) | |
Bail out HARD_REGISTER vars in asan (PR sanitizer/81224).
2017-06-28 Martin Liska <mliska@suse.cz>
PR sanitizer/81224
* asan.c (instrument_derefs): Bail out inner references
that are hard register variables.
2017-06-28 Martin Liska <mliska@suse.cz>
PR sanitizer/81224
* gcc.dg/asan/pr81224.c: New test.
From-SVN: r249728
Diffstat (limited to 'gcc/asan.c')
| -rw-r--r-- | gcc/asan.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/asan.c b/gcc/asan.c index e730530930b..3f814819add 100644 --- a/gcc/asan.c +++ b/gcc/asan.c @@ -1875,6 +1875,9 @@ instrument_derefs (gimple_stmt_iterator *iter, tree t, || bitsize != size_in_bytes * BITS_PER_UNIT) return; + if (VAR_P (inner) && DECL_HARD_REGISTER (inner)) + return; + if (VAR_P (inner) && offset == NULL_TREE && bitpos >= 0 |