[Mesa-dev] [PATCH 1/2] util: Make unreachable at least be an assert

Carl Worth cworth at cworth.org
Fri Dec 5 13:17:11 PST 2014


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.
---
 src/util/macros.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/util/macros.h b/src/util/macros.h
index 5fc6729..eec8b93 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
 
 /**
-- 
2.1.1



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