[Bug middle-end/70025] [6 Regression] Miscompilation of gc-7.4.2 on s390x starting with r227382

[vogt at linux dot vnet.ibm.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70025

--- Comment #10 from Dominik Vogt <vogt at linux dot vnet.ibm.com> ---
Successfully bootstrapped and regression tested on s390x (-m31 and -m64).