cast: test/compile_fail-cast_static.c should fail without COMPOUND_LITERALS.

It still gave a warning on gcc, because casting a char to a char* gives a warning.  Not so on sun CC.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 6569a707d169a629e25e10710c760c8dc84525c7)

diff --git a/lib/ccan/cast/test/compile_fail-cast_static.c b/lib/ccan/cast/test/compile_fail-cast_static.c
index 0f9e4780470a267dbf4573b76bd4791ba58f70b3..a4ebf61b1ae66549a792771ca1085701b9efce0b 100644 (file)
--- a/lib/ccan/cast/test/compile_fail-cast_static.c
+++ b/lib/ccan/cast/test/compile_fail-cast_static.c
@@ -3,15 +3,21 @@
 
 int main(int argc, char *argv[])
 {
-       char c;
+       long c;
 #ifdef FAIL
        char *
 #else
-       long
+       char
 #endif
                x = 0;
 
-       c = cast_static(char, x);
+       c = cast_static(long, x);
        (void) c; /* Suppress unused-but-set-variable warning. */
        return 0;
 }
+
+#ifdef FAIL
+#if !HAVE_COMPOUND_LITERALS
+#error "Unfortunately we don't fail if cast_static without compound literals"
+#endif
+#endif