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Hi all, LLD's --warn-backrefs is a tool to identify potential incompatible archive selection semantics with traditional Unix linkers. I have improved it (via D77522,D77630 and D77512) to a state where a --warn-backrefs diagnostic almost assuredly means that the link will fail with GNU ld, or the symbol will get different resolution in GNU ld and LLD. My conclusion is that --warn-backrefs is a very useful layering check tool. I just wrote a documentation about...

...On Thu, Aug 27, 2020 at 10:15 PM Fangrui Song via llvm-dev <llvm-dev at lists.llvm.org> wrote: >> >> Hi all, LLD's --warn-backrefs is a tool to identify potential >> incompatible archive selection semantics with traditional Unix linkers. >> I have improved it (via D77522,D77630 and D77512) to a state where a >> --warn-backrefs diagnostic almost assuredly means that the link will >> fail with GNU ld, or the symbol will get different resolution in GNU ld and LLD. >> >> My conclusion is that --warn-backrefs is a very useful layering check tool....

...ngrui Song via llvm-dev <llvm-dev at lists.llvm.org> wrote: >> >> >> >> Hi all, LLD's --warn-backrefs is a tool to identify potential >> >> incompatible archive selection semantics with traditional Unix linkers. >> >> I have improved it (via D77522,D77630 and D77512) to a state where a >> >> --warn-backrefs diagnostic almost assuredly means that the link will >> >> fail with GNU ld, or the symbol will get different resolution in GNU ld and LLD. >> >> >> >> My conclusion is that --warn-backrefs i...

....llvm.org> wrote: >> >> >> >> >> >> Hi all, LLD's --warn-backrefs is a tool to identify potential >> >> >> incompatible archive selection semantics with traditional Unix >> linkers. >> >> >> I have improved it (via D77522,D77630 and D77512) to a state where a >> >> >> --warn-backrefs diagnostic almost assuredly means that the link will >> >> >> fail with GNU ld, or the symbol will get different resolution in GNU >> ld and LLD. >> >> >> >> >> &gt...

...t; >> >> >> >> >> Hi all, LLD's --warn-backrefs is a tool to identify potential >> >> >> >> incompatible archive selection semantics with traditional Unix >> >> linkers. >> >> >> >> I have improved it (via D77522,D77630 and D77512) to a state >> where a >> >> >> >> --warn-backrefs diagnostic almost assuredly means that the link >> will >> >> >> >> fail with GNU ld, or the symbol will get different resolution in >> GNU >> >> ld and...

...t; >> >> Hi all, LLD's --warn-backrefs is a tool to identify potential >> >> >> >> >> incompatible archive selection semantics with traditional Unix >> >> >> linkers. >> >> >> >> >> I have improved it (via D77522,D77630 and D77512) to a state >> >> where a >> >> >> >> >> --warn-backrefs diagnostic almost assuredly means that the link >> >> will >> >> >> >> >> fail with GNU ld, or the symbol will get different resolution >...

...-backrefs is a tool to identify >> potential >> >> >> >> >> >> incompatible archive selection semantics with traditional >> Unix >> >> >> >> linkers. >> >> >> >> >> >> I have improved it (via D77522,D77630 and D77512) to a >> state >> >> >> where a >> >> >> >> >> >> --warn-backrefs diagnostic almost assuredly means that the >> link >> >> >> will >> >> >> >> >> >> fail with GN...

...>> potential >>>> >> >> >> >> >> incompatible archive selection semantics with >>>> traditional Unix >>>> >> >> >> linkers. >>>> >> >> >> >> >> I have improved it (via D77522,D77630 and D77512) to a >>>> state >>>> >> >> where a >>>> >> >> >> >> >> --warn-backrefs diagnostic almost assuredly means that >>>> the link >>>> >> >> will >>>> >>...