From 62d5b4b03aa63582cf0801d306d7ca055cca40a0 Mon Sep 17 00:00:00 2001
From: Carl Worth <cworth@cworth.org>
Date: Fri, 5 Dec 2014 08:05:44 -0800
Subject: util: Make unreachable at least be an assert

Previously, if __builtin_unreachable() was unavailable, the
unreachable macro was defined to do nothing. We do better here, by at
least still making it an assert.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
---
 src/util/macros.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/util/macros.h')

diff --git a/src/util/macros.h b/src/util/macros.h
index 5fc6729536c..eec8b9352cc 100644
--- a/src/util/macros.h
+++ b/src/util/macros.h
@@ -82,7 +82,7 @@ do {                        \
 #endif
 
 #ifndef unreachable
-#define unreachable(str)
+#define unreachable(str) assert(!str)
 #endif
 
 /**
-- 
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