X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fstr%2Ftest%2Fcompile_fail-iscntrl.c;h=bc74146542f1b36ecefe1fb394bfb84254d4b571;hp=5ae783b126a4b6d989bee3a16290203dc7f59f08;hb=c438ec17d7b2efe76e56e5fc5ab88bd4a02735e8;hpb=ecea073699c60fd5aab9e3955f59a7042d637b68

diff --git a/ccan/str/test/compile_fail-iscntrl.c b/ccan/str/test/compile_fail-iscntrl.c
index 5ae783b1..bc741465 100644
--- a/ccan/str/test/compile_fail-iscntrl.c
+++ b/ccan/str/test/compile_fail-iscntrl.c
@@ -15,8 +15,7 @@ int main(int argc, char *argv[])
 
 #ifdef FAIL
 	/* Fake fail on unsigned char platforms. */
-	c = 255;
-	BUILD_ASSERT(c < 0);
+	BUILD_ASSERT((char)255 < 0);
 #endif
 
 	return iscntrl(c);