[Bug ada/103538] [12 Regression] trunk 20211203 fails to build gnat on x86_64-linux-gnux32

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103538

--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 52222
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52222&action=edit
A patch

Try this.