1 files changed, 0 insertions, 52 deletions
diff --git a/lib/libcxx/utils/google-benchmark/test/donotoptimize_test.cc b/lib/libcxx/utils/google-benchmark/test/donotoptimize_test.cc
deleted file mode 100644
index 2ce92d1c72b..00000000000
--- a/lib/libcxx/utils/google-benchmark/test/donotoptimize_test.cc
+++ /dev/null
@@ -1,52 +0,0 @@
-#include "benchmark/benchmark.h"
-
-#include <cstdint>
-
-namespace {
-#if defined(__GNUC__)
-std::uint64_t double_up(const std::uint64_t x) __attribute__((const));
-#endif
-std::uint64_t double_up(const std::uint64_t x) { return x * 2; }
-}
-
-// Using DoNotOptimize on types like BitRef seem to cause a lot of problems
-// with the inline assembly on both GCC and Clang.
-struct BitRef {
-  int index;
-  unsigned char &byte;
-
-public:
-  static BitRef Make() {
-    static unsigned char arr[2] = {};
-    BitRef b(1, arr[0]);
-    return b;
-  }
-private:
-  BitRef(int i, unsigned char& b) : index(i), byte(b) {}
-};
-
-int main(int, char*[]) {
-  // this test verifies compilation of DoNotOptimize() for some types
-
-  char buffer8[8] = "";
-  benchmark::DoNotOptimize(buffer8);
-
-  char buffer20[20] = "";
-  benchmark::DoNotOptimize(buffer20);
-
-  char buffer1024[1024] = "";
-  benchmark::DoNotOptimize(buffer1024);
-  benchmark::DoNotOptimize(&buffer1024[0]);
-
-  int x = 123;
-  benchmark::DoNotOptimize(x);
-  benchmark::DoNotOptimize(&x);
-  benchmark::DoNotOptimize(x += 42);
-
-  benchmark::DoNotOptimize(double_up(x));
-
-  // These tests are to e
-  benchmark::DoNotOptimize(BitRef::Make());
-  BitRef lval = BitRef::Make();
-  benchmark::DoNotOptimize(lval);
-}