[Bug rtl-optimization/56442] postreload uses content of clobbered register

[gjl at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56442

--- Comment #6 from Georg-Johann Lay <gjl at gcc dot gnu.org> ---
This is old and I think it can be closed. gcc.dg/var-expand2.c passes with
current trunk.