[Bug c/96427] Missing align attribute for anchor section from local variables

[zhongyunde at tom dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96427

--- Comment #6 from zhongyunde at tom dot com <zhongyunde at tom dot com> ---
Created attachment 49087
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49087&action=edit
adjust the alignment according the attibute

If user don't specify the alignment, so we can do some optimization.
otherwise, we can obey it firstly, similiar to the patch attached?