X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fstr%2Ftest%2Fcompile_fail-isupper.c;h=4cf9fd35785c37e40e1ea16529845886896381f8;hp=f23dd659c70ac9fee3b3d2846f2a1891a2c08ea7;hb=00e61068e33e7883a2657744514452a32660d461;hpb=5c922794aa81cb2a62a034552f6478074b4dda14

diff --git a/ccan/str/test/compile_fail-isupper.c b/ccan/str/test/compile_fail-isupper.c
index f23dd659..4cf9fd35 100644
--- a/ccan/str/test/compile_fail-isupper.c
+++ b/ccan/str/test/compile_fail-isupper.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 isupper(c);