[Bug ipa/65028] [5 Regression] 450.soplex in SPEC CPU 2006 is miscompiled

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65028

--- Comment #27 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 34794
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34794&action=edit
A patch

We should check all aliases for parameter alignments.