From: Martin Liska <mliska@suse.cz>
Date: Tue, 9 Feb 2021 08:57:04 +0000 (+0100)
Subject: ICF: fix memory leak
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d44f56f2b2d4f0a827ba6f08aebc715786225c6f;p=gcc.git

ICF: fix memory leak

gcc/ChangeLog:

	PR ipa/99003
	* ipa-icf.c (sem_item::add_reference): Fix memory leak when
	a reference exists.
---

diff --git a/gcc/ipa-icf.c b/gcc/ipa-icf.c
index 435f567d72e..687ad8d45b7 100644
--- a/gcc/ipa-icf.c
+++ b/gcc/ipa-icf.c
@@ -165,8 +165,11 @@ sem_item::add_reference (ref_map *refs,
   unsigned index = reference_count++;
   bool existed;
 
-  vec<sem_item *> &v
-    = refs->get_or_insert (new sem_usage_pair (target, index), &existed);
+  sem_usage_pair *pair = new sem_usage_pair (target, index);
+  vec<sem_item *> &v = refs->get_or_insert (pair, &existed);
+  if (existed)
+    delete pair;
+
   v.safe_push (this);
   bitmap_set_bit (target->usage_index_bitmap, index);
   refs_set.add (target->node);