[Bug tree-optimization/106131] [10/11/12/13 Regression] -fstrict-aliasing breaks normal program that does not use any pointer or reference

[rguenther at suse dot de via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106131

--- Comment #7 from rguenther at suse dot de <rguenther at suse dot de> ---
On Wed, 29 Jun 2022, mpolacek at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106131
> 
> --- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
> Started with
> 
> commit 8403c2cf5f66758fc78a01a675b0d218fded0202
> Author: Richard Biener <rguent...@suse.de>
> Date:   Mon Nov 24 14:07:18 2014 +0000

I think that just exposed it.  Btw, I've not got to the point 
understanding what actual transform makes the testcase fail (nor
spot the relevant difference in .optimized).