[Bug target/68804] Code generated by _addcarry_u64 is wrong in O3 mode

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68804

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|                            |x86_64-*-*
             Status|UNCONFIRMED                 |RESOLVED
      Known to work|                            |5.3.0
         Resolution|---                         |FIXED
   Target Milestone|---                         |5.3
      Known to fail|                            |5.2.0

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Missing

#include <iostream>
#include <x86intrin.h>

includes for the testcase.  Works fine for me with -O3 and GCC 5.3.  Confirmed
with GCC 5.2 though.