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Diffstat (limited to 'transient_heap.c')
-rw-r--r--transient_heap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/transient_heap.c b/transient_heap.c
index ddf40d1041..9dfd980e64 100644
--- a/transient_heap.c
+++ b/transient_heap.c
@@ -169,7 +169,7 @@ ATTRIBUTE_NO_ADDRESS_SAFETY_ANALYSIS(static void transient_heap_ptr_check(struct
static void
transient_heap_ptr_check(struct transient_heap *theap, VALUE obj)
{
- if (obj != Qundef) {
+ if (!UNDEF_P(obj)) {
const void *ptr = transient_heap_ptr(obj, FALSE);
TH_ASSERT(ptr == NULL || transient_header_managed_ptr_p(theap, ptr));
}