Interesting. Our compiler catches it, though: $ cparser -O3 -Wall -Wextra -pedantic test2.c -o uninit warning: ignoring gcc option '-pedantic' test2.c:3:

Interesting. Our compiler catches it, though: $ cparser -O3 -Wall -Wextra -pedantic test2.c -o uninit warning: ignoring gcc option '-pedantic' test2.c:3:6: warning: no previous declaration for 'void foo(int)' [-Wmissing-declarations] 1 warning(s) test2.c:4:6: warning: 'variable lol' might be used uninitialized [-Wuninitialized] Looking at the GCC bugtracker, there seem to be various warnings missing. http://gcc.gnu.org/bugzilla/buglist.cgi?quicksearch=uninitialized http://gcc.gnu.org/bugzilla/buglist.cgi?quicksearch=uninitia...