[Bug target/51643] Incorrect code produced for tail-call of weak function with -O2/-O3 option

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51643

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|arm-eabi                    |
          Component|rtl-optimization            |target
      Known to fail|4.6.1, 4.6.2                |
              Build|x86_64-redhat-linux         |
           Severity|major                       |normal

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-12-20 21:26:44 UTC ---
I think this code is undefined.  You are calling a weak function without
checking if it is null.