[Bug middle-end/112510] [11/12/13/14 Regression]: ASAN code injection breaks alignment of stack variables

[sadko4u at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112510

--- Comment #10 from Vladimir Sadovnikov <sadko4u at gmail dot com> ---
Sorry, I messed up %rbx with loading %rdx from stack.

But it seems that the ASAN-reladed code somehow modifies %rbx.
And now I'm not sure that the code generated by GCC 11.4.0 will work under
certain conditions.

It looks like the problem is not in the header of the function but at the tail,
where the additional ASAN-related code is added.