Fix

Author: danog

Zend/zend_alloc.c

@@ -484,6 +484,7 @@ static ZEND_COLD ZEND_NORETURN void zend_mm_safe_error(zend_mm_heap *heap,
 			size);
 	} zend_catch {
 	}  zend_end_try();
+	ZEND_MM_UNPOISON_HEAP(heap);
 	heap->overflow = 0;
 	zend_bailout();
 	exit(1);