Fix reference printing in GC tracing

diff --git a/Zend/zend_gc.c b/Zend/zend_gc.c
index 12922a26c85f98d1d612bd6acace69cda4d417b6..60e128ef19a923bcb0a33cfced916e142e974bb7 100644 (file)
--- a/Zend/zend_gc.c
+++ b/Zend/zend_gc.c
@@ -405,7 +405,8 @@ static void gc_trace_ref(zend_refcounted *ref) {
                fprintf(stderr, "[%p] rc=%d addr=%d %s %s ",
                        ref, GC_REFCOUNT(ref), GC_REF_ADDRESS(ref),
                        gc_color_name(GC_REF_COLOR(ref)),
-                       zend_get_type_by_const(GC_TYPE(ref)));
+                       GC_TYPE(ref) == IS_REFERENCE
+                               ? "reference" : zend_get_type_by_const(GC_TYPE(ref)));
        }
 }
 #endif