From 2fc63808e475b7c8e3341082f4fa47bbf3fdb2ba Mon Sep 17 00:00:00 2001
From: Tyler Veness <calcmogul@gmail.com>
Date: Mon, 18 Nov 2024 01:56:55 +0000
Subject: [PATCH] Fix C++20 constexpr test compilation failures

---
 Eigen/src/Core/EigenBase.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Eigen/src/Core/EigenBase.h b/Eigen/src/Core/EigenBase.h
index 7a5fdc8e0..883e05015 100644
--- a/Eigen/src/Core/EigenBase.h
+++ b/Eigen/src/Core/EigenBase.h
@@ -121,8 +121,12 @@ struct EigenBase {
    * as the testsuite asserts std::is_trivially_destructible
    */
 #if !defined(EIGEN_NO_DEBUG) && !defined(EIGEN_TESTING_PLAINOBJECT_CTOR)
+#if __cpp_constexpr >= 201907L
+  EIGEN_DEVICE_FUNC constexpr ~EigenBase() {}
+#else
   EIGEN_DEVICE_FUNC ~EigenBase() {}
 #endif
+#endif
 };
 
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