[Bug c/55749] gcc 4.7.1 removes labels mistakenly

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55749

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-12-20 16:54:53 UTC ---
"To use these values, you need to be able to jump to one. This is done with the
computed goto statement1, goto *exp;."

> Not sure how to implement this properly.

Use either setjmp/longjmp or getcontext/setcontext/makecontext instead.