[lld] [LLD][ELF][AArch64] Add BTI Aware long branch thunks (PR #108989)

[Fangrui Song via llvm-commits]

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@@ -553,7 +588,11 @@ void AArch64ABSLongThunk::writeLong(uint8_t *buf) {
     0x00, 0x00, 0x00, 0x00, // L0: .xword S
     0x00, 0x00, 0x00, 0x00,
   };
-  uint64_t s = getAArch64ThunkDestVA(destination, addend);
+  // if mayNeedLandingPad is true then destination is an
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MaskRay wrote:

`// If`

https://github.com/llvm/llvm-project/pull/108989