[clang] [z/OS] Set the default arch for z/OS to be arch10 (PR #89854)

2024-05-28 Thread Dimitri John Ledkov via cfe-commits
xnox wrote: @fhe > > > @MaskRay Got it. > > > The problem with that solution is that if you use --target you won't get > > > the correct arch. This would be a problem for any cross compilation. For > > > example, say you cross compile from zLinux (which wouldn't have the > > > config file), t

[clang] [z/OS] Set the default arch for z/OS to be arch10 (PR #89854)

2024-06-02 Thread Dimitri John Ledkov via cfe-commits
xnox wrote: Requiring a config file when previously was not needed is a regression in behaviour for distributions. I guess Ubuntu would have to continue to patch this back in. Built-in defaults exist for a reason and yes at times need to be higher. This change risks performance regressions fo