--- libmalloc/libmalloc-374.60.3/tests/memory_pressure.c
+++ libmalloc/libmalloc-374.40.6/tests/memory_pressure.c
@@ -85,7 +85,6 @@
 		T_META_ENVVAR("MallocScribble=1"),
 		T_META_ENVVAR("MallocSpaceEfficient=1"),
 		T_META_ENVVAR("MallocMaxMagazines=1"),
-		T_META_MAYFAIL("Disabled until rdar://83904507 is fixed"),
 		T_META_CHECK_LEAKS(false))
 {
 	dispatch_queue_t q = dispatch_queue_create("pressure queue", 0); // serial