/in/foo.cc: In function 'int main2()':
/in/foo.cc:68:19: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]
                 if(!nw_fail ) 
                   ^
/in/foo.cc: Assembler messages:
/in/foo.cc:100: Error: unsupported instruction `mov'
/in/foo.cc:101: Error: invalid instruction suffix for `push'