[Bug rtl-optimization/47763] Useless initialization of register

[sch...@linux-m68k.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47763

--- Comment #10 from Andreas Schwab <sch...@linux-m68k.org> 2011-02-16 18:26:31 
UTC ---
There is no undefined behaviour if all calls to foo ignore the returned value.