[Bug rtl-optimization/78561] Constant pool size (offset) can become stale where constant pool entires become unused

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78561

--- Comment #12 from Segher Boessenkool <segher at gcc dot gnu.org> ---
It still happens here, also on gcc110.  Note you need --disable-werror,
to avoid another bootstrap error.

Did you perchance use --disable-bootstrap?