On Wed, 2024-09-04 at 08:53 +0200, Martin Jansa via lists.openembedded.org wrote: > Some related info I've found now: > https://reviews.llvm.org/D148975?id=516863 > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109591 > > maybe affected by -fcanon-prefix-map used since gcc-13: > https://git.openembedded.org/openembedded-core/commit/?id=abe97fa74b10c2c71d79bc3573d4edb509b111f5 > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108464#c8 > > and I was also using ccache which used to have some issues in this > area (but the python3-matplotlib issue is IIRC reproducible without > ccache as well): > https://github.com/ccache/ccache/issues/163 > > We might need more experiments before this is applied (I'm glad I've > sent it only as RFC). I'll try to find some time next week.
I'm a bit worried that gcc might apply the ordering one way in some locations and the other way around in others so there may be a bug lurking somewhere. I agree we should look further into this. Cheers, Richard
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