melver added a comment. In D136078#3966187 <https://reviews.llvm.org/D136078#3966187>, @melver wrote:
>>> Do you have any other ideas on how to dead with this? >> >> It's strange we've not encountered this elsewhere - this must be some >> special (old?) linker. I'll investigate... > > GNU ld <= 2.35 does not support mixed SHF_LINK_ORDER and non-SHF_LINK_ORDER > sections. > > This is about the relative order of the section w.r.t. other sections it > references (we link it to the function section, see > MCObjectFileInfo::getPCSection) when the linker merges the sections. From > what I can find, we need to retain SHF_LINK_ORDER to support gc-sections > properly. > > This is a good summary: > https://maskray.me/blog/2021-01-31-metadata-sections-comdat-and-shf-link-order > @MaskRay > > I'm going to try and see how I can add the SHF_LINK_ORDER attribute to the > section output for the dummy variable. This should fix it: https://reviews.llvm.org/D139224 - at least whatever I was able to reproduce with the linker version I found (2.31) seems to work. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D136078/new/ https://reviews.llvm.org/D136078 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
