[Bug bootstrap/112643] [14 regression] including x86intrin.h is broken for -march=native

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112643

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[14 regression] failure to  |[14 regression] including
                   |build libitm with           |x86intrin.h is broken for
                   |--disable-bootstrap after   |-march=native
                   |r14-5607-g2f8f7ee2db82a3    |
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2023-11-21

--- Comment #18 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Ok, I am able to reproduce the issue now.
Simple testcase:
```
#include <x86intrin.h>
```

And then compile with `-march=native` and you will see the failure.