http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52961
--- Comment #3 from davidxl <xinliangli at gmail dot com> 2012-04-12 23:11:10 UTC --- (In reply to comment #2) > Yes, see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36478 . thanks. I tried -Wempty-body, gcc gives warning as expected: emptyif.cpp: In function 'int test(int)': emptyif.cpp:2:15: warning: suggest braces around empty body in an 'if' statement [-Wempty-body] if (i > 42);