[clang] [compiler-rt] [libunwind] [llvm] [clang] recognize any *-ld.lld variant (PR #117338)

[Fangrui Song via cfe-commits]

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@@ -0,0 +1,80 @@
+if (NOT DEFINED LLVM_PATH)
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MaskRay wrote:

I am not sure that these cmake changes should be included in this patch. Many folks concerned with cmake changes will likely notice that this PR has these changes.

https://github.com/llvm/llvm-project/pull/117338