[lld] [LLD][ELF] Don't instantiate ObjFile function but rather import it (PR #68025)

[Fangrui Song via llvm-commits]

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@@ -40,6 +40,13 @@ using namespace llvm::support::endian;
 using namespace lld;
 using namespace lld::elf;
 
+// This function is explicity instantiated in ARM.cpp, don't do it here to avoid
+// warnings with MSVC.
+extern template void ObjFile<ELF32LE>::importCmseSymbols();
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MaskRay wrote:

This can be placed directly before `doParseArmCMSEImportLib` for clarity.

https://github.com/llvm/llvm-project/pull/68025