From 35a367d557078462a0793c88c44dcad64fc63698 Mon Sep 17 00:00:00 2001
From: Antonio Sanchez <cantonios@google.com>
Date: Fri, 18 Jun 2021 13:06:04 -0700
Subject: Fix fix<> for gcc-4.9.3.

There's a missing `EIGEN_HAS_CXX14` -> `EIGEN_HAS_CXX14_VARIABLE_TEMPLATES`
replacement.

Fixes ##2267
---
 Eigen/src/Core/util/IntegralConstant.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Eigen/src/Core/util/IntegralConstant.h b/Eigen/src/Core/util/IntegralConstant.h
index d457e02ee..945d426ea 100644
--- a/Eigen/src/Core/util/IntegralConstant.h
+++ b/Eigen/src/Core/util/IntegralConstant.h
@@ -77,7 +77,7 @@ public:
   template<int M>
   FixedInt<N&M> operator&( FixedInt<M>) const { return FixedInt<N&M>(); }
 
-#if EIGEN_HAS_CXX14
+#if EIGEN_HAS_CXX14_VARIABLE_TEMPLATES
   // Needed in C++14 to allow fix<N>():
   FixedInt operator() () const { return *this; }
 
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