Thank you both, Ian and Axel! I will check it out. -------- Vijayaraghavan Murali http://www.comp.nus.edu.sg/~mvijayar Axel Freyn wrote: > > Hi, > On Wed, May 25, 2011 at 05:14:48AM -0700, Vijayaraghavan Murali wrote: >> >> I'm trying to make gcc generate warnings for detecting unreachable code >> in a program using -Wunreachable-code. But it simply doesn't seem to >> work, even for a simple program such as: >> int main() { return 1; return 0; } >> >> I don't find -Wunreachable-code in man gcc, but it doesn't complain if I >> pass the option to it. >> >> I must be clearly missing something trivial here and would appreciate >> any help. I'm using gcc 4.5.2 and installed gcc-opt, if it matters. > > The option was removed january 2010 -- so you would need an older gcc. > to get it. > If I remeber correctly, the concerns were about unpredictability due to > different optimization-option. > See the discussion on > http://gcc.gnu.org/ml/gcc-patches/2009-11/msg00179.html > > Axel > > -- View this message in context: http://old.nabble.com/gcc--Wunreachable-code-option-tp31698329p31699795.html Sent from the gcc - Help mailing list archive at Nabble.com.
