tdb2: copy tdb1's changed expansion logic.

[ccan] / ccan / str / test / compile_fail-iscntrl.c

diff --git a/ccan/str/test/compile_fail-iscntrl.c b/ccan/str/test/compile_fail-iscntrl.c
index 5ae783b126a4b6d989bee3a16290203dc7f59f08..bc74146542f1b36ecefe1fb394bfb84254d4b571 100644 (file)
--- 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);