[Bug tree-optimization/113630] [11/12/13/14 Regression] -fno-strict-aliasing introduces out-of-bounds memory access

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113630

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note LLVM produces decent code here by only using one load:
```
        xor     eax, eax
        test    esi, esi
        sete    al
        mov     eax, dword ptr [rdi + 4*rax]
```

Maybe GCC could do the same ...