[llvm] suppresses unused variable warning (PR #99526)

[Jorge Gorbe Moya via llvm-commits]

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@@ -3362,6 +3362,7 @@ void InstrRefBasedLDV::buildVLocValueMap(
       if (BlockLiveIn->Kind == DbgValue::VPHI)
         BlockLiveIn->Kind = DbgValue::Def;
       auto &[Var, DILoc] = DVMap.lookupDVID(VarID);
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slackito wrote:

`Var` will also be unused in a no-asserts build, right?

https://github.com/llvm/llvm-project/pull/99526