Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/unittests/Support/Threading.cpp

@@ -1,25 +0,0 @@
-//===- unittests/Threading.cpp - Thread tests -----------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Support/Threading.h"
-#include "llvm/Support/thread.h"
-#include "gtest/gtest.h"
-
-using namespace llvm;
-
-namespace {
-
-TEST(Threading, PhysicalConcurrency) {
-  auto Num = heavyweight_hardware_concurrency();
-  // Since Num is unsigned this will also catch us trying to
-  // return -1.
-  ASSERT_LE(Num, thread::hardware_concurrency());
-}
-
-} // end anon namespace