[lld] [llvm] [LLD][COFF] Add more `--time-trace` tags for ThinLTO linking (PR #156471)

[Alexandre Ganea via llvm-commits]

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@@ -1550,6 +1551,7 @@ void llvm::computeDeadSymbolsWithConstProp(
     const DenseSet<GlobalValue::GUID> &GUIDPreservedSymbols,
     function_ref<PrevailingType(GlobalValue::GUID)> isPrevailing,
     bool ImportEnabled) {
+  llvm::TimeTraceScope timeScope("Dead symbols");
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aganea wrote:

Done.

https://github.com/llvm/llvm-project/pull/156471