https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65752
--- Comment #23 from schwab at suse dot de --- "gil.hur at sf dot snu.ac.kr" <gcc-bugzi...@gcc.gnu.org> writes: > Since "hello" is not printed, I think the if-statement is the same as no-op. > Thus, removing the if-statement should not change the behavior of the program > according to ISO C11. Unless you are invoking undefined behaviour. Andreas.