[llvm] [X86][MC] Support R_X86_64_CODE_4_GOTPC32_TLSDESC (PR #116908)

[Shengchen Kan via llvm-commits]

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@@ -666,6 +666,7 @@ void X86MCCodeEmitter::emitMemModRMByte(
       case X86::SBB64rm:
       case X86::SUB64rm:
       case X86::XOR64rm:
+      case X86::LEA64r:
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KanRobert wrote:

We don't need `LEA64r` before REX2? 

https://github.com/llvm/llvm-project/pull/116908