Re: Building master on Windows fails with undefined reference to `__builtin_assume_aligned'

[martin rudalics]

> It's odd that you do not get the errors in that case. Perhaps you are
> invoking a different version of GCC when you compile with -O3? If so,
> it's possible you'll have problems elsewhere too; in general if you
> configure with GCC version X, then you may run into problems if you
> then build Emacs with some other GCC version.

I have only one GCC version installed here.

>> gcc (GCC) 4.6.2
>
> Thanks, that helped identify a typo that is most likely causing your problem. 
I installed the attached patch to fix it.

It builds now.

Thanks you, martin