[llvm] [llvm-dwarfdump] Make --verify for .debug_names multithreaded. (PR #127281)

[Alexander Yermolovich via llvm-commits]

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@@ -903,6 +908,7 @@ int main(int argc, char **argv) {
 
   bool Success = true;
   if (Verify) {
+    parallel::strategy = hardware_concurrency(VerifyNumThreads);
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ayermolo wrote:

This is used inside parallelForEach. It ends up calling llvm::parallelFor in llvm/lib/Support/Parallel.cpp.
If it's set to 1, it uses a regular loop.

https://github.com/llvm/llvm-project/pull/127281