[Bug target/117192] [15 Regression] wrong code at -O3 with "-fno-unswitch-loops" on x86_64-linux-gnu since r15-4397-g70f59d2a1c51bd

[ubizjak at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117192

--- Comment #7 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Andrew Pinski from comment #6)
> before is before r15-4397-g70f59d2a1c51bd
> -       movq    16(%rsp), %xmm2
> +       movq    16(%rsp), %xmm1

Isn't this reading from uninitialized stack slot?

movq    16(%rsp), %xmm2 # MEM <vector(2) int> [(int *)&e + 16B],
vect__ifc__49.29