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authorBin Cheng <bin.cheng@arm.com>2017-11-10 12:46:33 +0000
committerBin Cheng <amker@gcc.gnu.org>2017-11-10 12:46:33 +0000
commitdf3c2945360a0c07579929f20b080ec5f903a0ad (patch)
treec14b7a29fc1876745e42b9f11b5b8badff9fe4b0 /gcc/tree-predcom.c
parent8cd119d857b727ce0ee7b3c7aead38d8fdcc1a7e (diff)
tree-predcom.c (determine_roots_comp): Avoid memory leak by freeing reference of trivial component.
* tree-predcom.c (determine_roots_comp): Avoid memory leak by freeing reference of trivial component. From-SVN: r254625
Diffstat (limited to 'gcc/tree-predcom.c')
-rw-r--r--gcc/tree-predcom.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/tree-predcom.c b/gcc/tree-predcom.c
index fdb32f10529..d078b96cdf0 100644
--- a/gcc/tree-predcom.c
+++ b/gcc/tree-predcom.c
@@ -1331,7 +1331,14 @@ determine_roots_comp (struct loop *loop,
/* Trivial component. */
if (comp->refs.length () <= 1)
- return;
+ {
+ if (comp->refs.length () == 1)
+ {
+ free (comp->refs[0]);
+ comp->refs.truncate (0);
+ }
+ return;
+ }
comp->refs.qsort (order_drefs);
FOR_EACH_VEC_ELT (comp->refs, i, a)