check_size_for_overflow: use numeric limits instead of c99 macro

Eigen/src/Core/util/Memory.h

diff --git a/Eigen/src/Core/util/Memory.h b/Eigen/src/Core/util/Memory.h
index 2acdd9d..a278c91 100644
--- a/Eigen/src/Core/util/Memory.h
+++ b/Eigen/src/Core/util/Memory.h
@@ -391,7 +391,7 @@
 
 template <typename T>
 EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE void check_size_for_overflow(std::size_t size) {
-  constexpr std::size_t max_elements = PTRDIFF_MAX / sizeof(T);
+  constexpr std::size_t max_elements = (std::numeric_limits<std::ptrdiff_t>::max)() / sizeof(T);
   if (size > max_elements) throw_std_bad_alloc();
 }