On Tue, Jan 7, 2020 at 3:26 PM Jan Hubicka <hubi...@ucw.cz> wrote: > > > Err - Optimization also lists it in some -help section? It's a Warning > > option and certainly we don't handle per-function Warnings in general > > (with LTO) even though we have #pragma GCC diagnostic, no? > > > > I'm not sure why we force warn_inline to zero with -O0, it seems much > > better to guard false warnings in some other way for -O0? > > Well, we can do that with warn_inline, but in general we do want to > stream late warnings (so things like -Wmaybe-uninitialized works sort of > as expected for -flto). So I guess we want way to mark option as part of > TARGET_OPTIMIZATION_NODE even though it is not realy an optimization > option but parameter, warning or semantic change.
Given all warning options can be enabled/disabled via #pragma GCC diagnostic all Warning annotated options should be implicitely 'Optimization' for the purpose of LTO streaming then? Richard. > Honza
