int main() { int a=012; int b=05; if(a<++a||b<++b) printf("DJ"); else printf("%d Welcome %d",a,b); } -- View this message in context: http://clang-developers.42468.n3.nabble.com/Undefine-behaviour-Can-one-explain-me-this-code-tp4045706.html Sent from the Clang Developers mailing list archive at Nabble.com.