[Bug bootstrap/109510] [13 Regression] bootstrap with Ada broken on aarch64

[ebotcazou at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109510

--- Comment #10 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Created attachment 54859
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54859&action=edit
Tentative fix

To be tested.