[clang] [llvm] Use timeTraceAsyncProfilerBegin for Source span (PR #83961)

[Zequan Wu via cfe-commits]

================
@@ -132,15 +135,18 @@ struct llvm::TimeTraceProfiler {
     // happens to be the ones that don't have any currently open entries above
     // itself.
     if (llvm::none_of(llvm::drop_begin(llvm::reverse(Stack)),
-                      [&](const TimeTraceProfilerEntry &Val) {
-                        return Val.Name == E.Name;
+                      [&](const std::unique_ptr<TimeTraceProfilerEntry> &Val) {
+                        return Val->Name == E.Name;
                       })) {
       auto &CountAndTotal = CountAndTotalPerName[E.Name];
       CountAndTotal.first++;
       CountAndTotal.second += Duration;
-    }
+    };
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ZequanWu wrote:

Unnecessary change.
```suggestion
    }
```

https://github.com/llvm/llvm-project/pull/83961