[Bug target/63981] [5 Regression] some C++ tests fail with -mabi=ilp32 on aarch64 (with -O2 and above)

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63981
Bug 63981 depends on bug 63982, which changed state.

Bug 63982 Summary: [5 Regression] Almost all of the devirt testcases fail with 
-mabi=ilp32
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63982

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED