[Bug tree-optimization/78348] [7 REGRESSION] 15% performance drop for coremark-pro/nnet-test after r242038

[vogt at linux dot vnet.ibm.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78348

--- Comment #11 from Dominik Vogt <vogt at linux dot vnet.ibm.com> ---
Fails if configured with "--with-arch=zEC12", passes without that.