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PiperOrigin-RevId: 707764415
Change-Id: I74a76c6582de01b5a43351b5113b724a4008817f
diff --git a/Eigen/src/Core/util/ConfigureVectorization.h b/Eigen/src/Core/util/ConfigureVectorization.h
index 47ddd4f..223d64f 100644
--- a/Eigen/src/Core/util/ConfigureVectorization.h
+++ b/Eigen/src/Core/util/ConfigureVectorization.h
@@ -41,6 +41,7 @@
// Align to the boundary that avoids false sharing.
// https://en.cppreference.com/w/cpp/thread/hardware_destructive_interference_size
#ifdef __cpp_lib_hardware_interference_size
+#include <new>
#define EIGEN_ALIGN_TO_AVOID_FALSE_SHARING EIGEN_ALIGN_TO_BOUNDARY(std::hardware_destructive_interference_size)
#else
// Overalign for the cache line size of 128 bytes (Apple M1)
