diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-04-19 12:44:07 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-04-19 12:44:07 +0000 |
| commit | 8ee14c01c788aa62e6c8d827671f5f863ffc2acb (patch) | |
| tree | 372576e808dcf6f9e2490f5a2e6ba5a3d1d5cc9f /gcc/ira-int.h | |
| parent | 27b3429ec547e46528d995943101627bb669d935 (diff) | |
| download | gcc-8ee14c01c788aa62e6c8d827671f5f863ffc2acb.tar.gz | |
2012-04-19 Richard Guenther <rguenther@suse.de>
* ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
array access.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186590 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ira-int.h')
| -rw-r--r-- | gcc/ira-int.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/ira-int.h b/gcc/ira-int.h index 24976d0418c..5db2ccc268c 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 |