[lld] [lld][ELF] Support LLVM repository and LLVM revision information (PR #97323)

[Momchil Velikov via llvm-commits]

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@@ -23,6 +23,11 @@ std::string lld::getLLDVersion() {
 #else
 #define LLD_VENDOR_DISPLAY
 #endif
+#if defined(LLVM_REPOSITORY) || defined(LLVM_REVISION)
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momchil-velikov wrote:

I think you meant `&&` here.

https://github.com/llvm/llvm-project/pull/97323