3 .*sel.m:\d+:\d+: warning: null passed to a callee that requires a non-null argument \[-Wnonnull\](\n.* note: expanded from macro 'testassert')?
9 #include <objc/objc-runtime.h>
10 #include <objc/objc-auto.h>
14 // Make sure @selector values are correctly fixed up
15 testassert(@selector(foo) == sel_registerName("foo"));
17 // sel_getName recognizes the zero SEL
18 testassert(0 == strcmp("<null selector>", sel_getName(0)));