1 files changed, 10 insertions, 0 deletions
diff --git a/Zend/zend_alloc.c b/Zend/zend_alloc.c
index 16fd42e80f..6701ca4902 100644
--- a/Zend/zend_alloc.c
+++ b/Zend/zend_alloc.c
@@ -287,6 +287,16 @@ struct _zend_mm_bin {
 	char               bytes[ZEND_MM_PAGE_SIZE * 8];
 };
 
+#if ZEND_DEBUG
+typedef struct _zend_mm_debug_info {
+	size_t             size;
+	const char        *filename;
+	const char        *orig_filename;
+	uint               lineno;
+	uint               orig_lineno;
+} zend_mm_debug_info;
+#endif
+
 struct _zend_mm_free_slot {
 	zend_mm_free_slot *next_free_slot;
 };