[Bug tree-optimization/78546] [6/7 Regression] wrong code at -O2 and above

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78546

--- Comment #1 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Zdenek Sojka from comment #0)
> Created attachment 40159 [details]
> reduced testcase

The attached testcase is not executable.