- Make sure its use is understood.

diff --git a/Zend/zend.h b/Zend/zend.h
index 234440027b77bc26f293c5cabcb90c325f5e403c..272d9f19fe73107a59b18b20493d2943de4d4451 100644 (file)
--- a/Zend/zend.h
+++ b/Zend/zend.h
@@ -351,6 +351,8 @@ END_EXTERN_C()
 #define ZEND_MAX_RESERVED_RESOURCES    1
 
 #if (WINNT|WIN32)
+/* Only use this macro if you know for sure that all of the switches values
+   are covered by its case statements */
 #define EMPTY_SWITCH_DEFAULT_CASE() \
                        default:                                \
                                __assume(0);            \