X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fcast%2Ftest%2Fcompile_fail-cast_signed-const.c;h=791d9b84529aa4bad527ec18294ff079a1b547bd;hb=8cca0397ef6f6017b13ce9ab4999bf3d92a2dee5;hp=4e67dc6264491b5e9e61ca15c874884f97b7cc24;hpb=118ace351b789dfaca8866f84a8cd4b924941268;p=ccan

diff --git a/ccan/cast/test/compile_fail-cast_signed-const.c b/ccan/cast/test/compile_fail-cast_signed-const.c
index 4e67dc62..791d9b84 100644
--- a/ccan/cast/test/compile_fail-cast_signed-const.c
+++ b/ccan/cast/test/compile_fail-cast_signed-const.c
@@ -13,3 +13,9 @@ int main(int argc, char *argv[])
 	uc = cast_signed(unsigned char *, p);
 	return 0;
 }
+
+#ifdef FAIL
+#if !HAVE_TYPEOF||!HAVE_BUILTIN_CHOOSE_EXPR||!HAVE_BUILTIN_TYPES_COMPATIBLE_P
+#error "Unfortunately we don't fail if cast_const can only use size"
+#endif
+#endif