X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fcast%2Fcast.h;h=b108b0c864d3b0cd07e26a497040537921d674b4;hb=407057edd6b45cae437d119df80ff080989a2752;hp=9f3ecdb7179e78ae9fdea84e801252b989d5f540;hpb=dd0404162fd548cd1774943335560a2e58373914;p=ccan

diff --git a/ccan/cast/cast.h b/ccan/cast/cast.h
index 9f3ecdb7..b108b0c8 100644
--- a/ccan/cast/cast.h
+++ b/ccan/cast/cast.h
@@ -106,11 +106,11 @@
 	  )
 
 #define cast_const_strip1(expr)			\
-	__typeof__(*(struct { int z; __typeof__(expr) x; }){0}.x)
+	__typeof__(*(union { int z; __typeof__(expr) x; }){0}.x)
 #define cast_const_strip2(expr) \
-	__typeof__(**(struct { int z; __typeof__(expr) x; }){0}.x)
+	__typeof__(**(union { int z; __typeof__(expr) x; }){0}.x)
 #define cast_const_strip3(expr) \
-	__typeof__(***(struct { int z; __typeof__(expr) x; }){0}.x)
+	__typeof__(***(union { int z; __typeof__(expr) x; }){0}.x)
 #define cast_const_compat1(expr, type)					\
 	__builtin_types_compatible_p(cast_const_strip1(expr),		\
 				     cast_const_strip1(type))