[Bug sanitizer/80114] asan-stack=1 with -fsanitize-address-use-after-scope and stack arrays multiplies code size

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80114

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
I see, with -O2 and your options:

main:
.LFB0:
        .cfi_startproc
        movl    $1, -4(%rsp)
        movslq  -4(%rsp), %rax
        movl    ._1(,%rax,4), %eax
        ret

which is the same as without.  Similar for using GCC instead of G++.