[llvm] Put large common blocks into .lbss for the medium and large code models (PR #161483)

[James Henderson via llvm-commits]

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@@ -4308,6 +4310,9 @@ std::string GNUELFDumper<ELFT>::getSymbolSectionNdx(
   default:
     // Find if:
     // Processor specific
+    if (this->Obj.getHeader().e_machine == EM_X86_64 &&
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jh7370 wrote:

I'd expect to see explicit llvm-readobj tests (i.e. located under test/tools/llvm-readobj) for the new code in ELFDumper.cpp, testing its behaviour. This likely would require yaml2obj support and should be in its own PR (together with the functional llvm-readobj changes).

https://github.com/llvm/llvm-project/pull/161483