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ruby-changes:72716

From: Nobuyoshi <ko1@a...>
Date: Thu, 28 Jul 2022 09:07:04 +0900 (JST)
Subject: [ruby-changes:72716] 5d5c1d0fbd (master): Suppress use-after-free warning by gcc-12

https://git.ruby-lang.org/ruby.git/commit/?id=5d5c1d0fbd

From 5d5c1d0fbdf18b1fc4d5b74499ddba532adb6bc6 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Thu, 28 Jul 2022 01:42:21 +0900
Subject: Suppress use-after-free warning by gcc-12

---
 gc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gc.c b/gc.c
index 7dd9cdb3c7..75f0658829 100644
--- a/gc.c
+++ b/gc.c
@@ -12368,6 +12368,7 @@ objspace_xfree(rb_objspace_t *objspace, void *ptr, size_t old_size) https://github.com/ruby/ruby/blob/trunk/gc.c#L12368
 
     objspace_malloc_increase(objspace, ptr, 0, old_size, MEMOP_TYPE_FREE) {
         free(ptr);
+        ptr = NULL;
         RB_DEBUG_COUNTER_INC(heap_xfree);
     }
 }
-- 
cgit v1.2.1


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