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[PATCH 5/9] Fix memory leak in tree-vect-slp.c
- From: marxin <mliska at suse dot cz>
- To: gcc-patches at gcc dot gnu dot org
- Date: Thu, 19 May 2016 12:44:15 +0200
- Subject: [PATCH 5/9] Fix memory leak in tree-vect-slp.c
- Authentication-results: sourceware.org; auth=none
- References: <cover dot 1463654693 dot git dot mliska at suse dot cz>
- Resent-user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.2
Leak can be seen e.g. here:
gcc pr68817.f90 -fno-diagnostics-show-caret -fdiagnostics-color=never -O -O3 -ffast-math
gcc/ChangeLog:
2016-05-18 Martin Liska <mliska@suse.cz>
* tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
bitmap.
---
gcc/tree-vect-slp.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c
index d713848..66db7d5 100644
--- a/gcc/tree-vect-slp.c
+++ b/gcc/tree-vect-slp.c
@@ -1308,7 +1308,10 @@ vect_attempt_slp_rearrange_stmts (slp_instance slp_instn)
FOR_EACH_VEC_ELT (node->load_permutation, i, lidx)
{
if (lidx >= group_size)
- return false;
+ {
+ sbitmap_free (load_index);
+ return false;
+ }
if (bitmap_bit_p (load_index, lidx))
{
sbitmap_free (load_index);
--
2.8.2