Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/unittests/Support/ErrnoTest.cpp

@@ -1,36 +0,0 @@
-//===- ErrnoTest.cpp - Error handling unit 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/Errno.h"
-#include "gtest/gtest.h"
-
-using namespace llvm::sys;
-
-TEST(ErrnoTest, RetryAfterSignal) {
-  EXPECT_EQ(1, RetryAfterSignal(-1, [] { return 1; }));
-
-  EXPECT_EQ(-1, RetryAfterSignal(-1, [] {
-    errno = EAGAIN;
-    return -1;
-  }));
-  EXPECT_EQ(EAGAIN, errno);
-
-  unsigned calls = 0;
-  EXPECT_EQ(1, RetryAfterSignal(-1, [&calls] {
-              errno = EINTR;
-              ++calls;
-              return calls == 1 ? -1 : 1;
-            }));
-  EXPECT_EQ(2u, calls);
-
-  EXPECT_EQ(1, RetryAfterSignal(-1, [](int x) { return x; }, 1));
-
-  std::unique_ptr<int> P(RetryAfterSignal(nullptr, [] { return new int(47); }));
-  EXPECT_EQ(47, *P);
-}