[Bug c/56946] assignment expression work wired

[jiez at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56946

--- Comment #4 from Jie Zhang <jiez at gcc dot gnu.org> 2013-04-13 16:50:19 UTC ---
(In reply to comment #3)
> (In reply to comment #2)
> > You need to add -lm to your command line. 
> gcc -lm -Wall assignment.c
> 
> This is right?But it can't compile neither

gcc -Wall assignment.c -lm