[llvm][NFC] Use c++17 style variable type traits

This was done as a test for D137302 and it makes sense to push these changes

Reviewed By: dblaikie

Differential Revision: https://reviews.llvm.org/D137493

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/unittests/ExecutionEngine/Orc/SimplePackedSerializationTest.cpp b/llvm/unittests/ExecutionEngine/Orc/SimplePackedSerializationTest.cpp
index ee73614..6c441a3 100644
--- a/llvm/unittests/ExecutionEngine/Orc/SimplePackedSerializationTest.cpp
+++ b/llvm/unittests/ExecutionEngine/Orc/SimplePackedSerializationTest.cpp
@@ -67,7 +67,7 @@ static void spsSerializationRoundTrip(const T &Value) {
 template <typename T> static void testFixedIntegralTypeSerialization() {
   spsSerializationRoundTrip<T, T>(0);
   spsSerializationRoundTrip<T, T>(static_cast<T>(1));
-  if (std::is_signed<T>::value) {
+  if (std::is_signed_v<T>) {
     spsSerializationRoundTrip<T, T>(static_cast<T>(-1));
     spsSerializationRoundTrip<T, T>(std::numeric_limits<T>::min());
   }