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| author | Richard Guenther <rguenther@suse.de> | 2012-04-19 12:44:07 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-04-19 12:44:07 +0000 |
| commit | d0a854af24839f665a04eaeb3f828c79587568cc (patch) | |
| tree | 372576e808dcf6f9e2490f5a2e6ba5a3d1d5cc9f | |
| parent | 20955f5acf05cd84927826a268caa847abfe3a6d (diff) | |
| download | gcc-d0a854af24839f665a04eaeb3f828c79587568cc.zip gcc-d0a854af24839f665a04eaeb3f828c79587568cc.tar.gz gcc-d0a854af24839f665a04eaeb3f828c79587568cc.tar.bz2 | |
ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound array access.
2012-04-19 Richard Guenther <rguenther@suse.de>
* ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
array access.
From-SVN: r186590
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/ira-int.h | 9 |
2 files changed, 12 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 086b813..5d127ca 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2012-04-19 Richard Guenther <rguenther@suse.de> + + * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound + array access. + 2012-04-19 Georg-Johann Lay <avr@gjlay.de> PR target/53033 diff --git a/gcc/ira-int.h b/gcc/ira-int.h index 24976d0..5db2ccc 100644 --- a/gcc/ira-int.h +++ b/gcc/ira-int.h @@ -1138,8 +1138,13 @@ static inline bool ira_allocno_object_iter_cond (ira_allocno_object_iterator *i, ira_allocno_t a, ira_object_t *o) { - *o = ALLOCNO_OBJECT (a, i->n); - return i->n++ < ALLOCNO_NUM_OBJECTS (a); + int n = i->n++; + if (n < ALLOCNO_NUM_OBJECTS (a)) + { + *o = ALLOCNO_OBJECT (a, n); + return true; + } + return false; } /* Loop over all objects associated with allocno A. In each |