Updating Eigen to commit af20714072.

PiperOrigin-RevId: 221498624

tensorflow/workspace.bzl

@@ -134,12 +134,11 @@ def tf_workspace(path_prefix = "", tf_repo_name = ""):
     tf_http_archive(
         name = "eigen_archive",
         build_file = clean_dep("//third_party:eigen.BUILD"),
-        patch_file = clean_dep("//third_party:eigen_reshaped.patch"),
+        sha256 = "1e045bef75e9b17d459b60cc30b34408f3fdab300c5053d3919d1a5921f3c86a",
-        sha256 = "d66cec3b54b3dfaa4666c1d49481a7197f93fc078cd53c54e2b4a8893a529c9f",
+        strip_prefix = "eigen-eigen-af2071407280",
-        strip_prefix = "eigen-eigen-b4890dc6bc34",
         urls = [
-            "https://mirror.bazel.build/bitbucket.org/eigen/eigen/get/b4890dc6bc34.tar.gz",
+            "https://mirror.bazel.build/bitbucket.org/eigen/eigen/get/af2071407280.tar.gz",
-            "https://bitbucket.org/eigen/eigen/get/b4890dc6bc34.tar.gz",
+            "https://bitbucket.org/eigen/eigen/get/af2071407280.tar.gz",
         ],
     )
 

third_party/eigen_reshaped.patch

@@ -1,48 +0,0 @@
---- a/Eigen/src/Core/util/ReshapedHelper.h	(date 1541195478000)
-+++ b/Eigen/src/Core/util/ReshapedHelper.h	(date 1541195478000)
-@@ -39,6 +39,11 @@
-   return total/other;
- }
-
-+template<int Flags, int Order>
-+struct get_compiletime_reshape_order {
-+  enum { value = Order == AutoOrder ? Flags & RowMajorBit : Order };
-+};
-+
- }
-
- } // end namespace Eigen
---- a/Eigen/src/plugins/ReshapedMethods.h	(date 1541195254000)
-+++ b/Eigen/src/plugins/ReshapedMethods.h	(date 1541195254000)
-@@ -105,13 +105,13 @@
- inline Reshaped<EIGEN_RESHAPED_METHOD_CONST Derived,
-                 internal::get_compiletime_reshape_size<NRowsType,NColsType,SizeAtCompileTime>::value,
-                 internal::get_compiletime_reshape_size<NColsType,NRowsType,SizeAtCompileTime>::value,
--                (Order==AutoOrder?Flags&RowMajorBit:Order)>
-+                internal::get_compiletime_reshape_order<Flags,Order>::value>
- reshaped(NRowsType nRows, NColsType nCols) EIGEN_RESHAPED_METHOD_CONST
- {
-   return Reshaped<EIGEN_RESHAPED_METHOD_CONST Derived,
-                   internal::get_compiletime_reshape_size<NRowsType,NColsType,SizeAtCompileTime>::value,
-                   internal::get_compiletime_reshape_size<NColsType,NRowsType,SizeAtCompileTime>::value,
--                  (Order==AutoOrder?Flags&RowMajorBit:Order)>
-+                  internal::get_compiletime_reshape_order<Flags,Order>::value>
-                 (derived(),
-                  internal::get_runtime_reshape_size(nRows,internal::get_runtime_value(nCols),size()),
-                  internal::get_runtime_reshape_size(nCols,internal::get_runtime_value(nRows),size()));
-@@ -128,11 +128,13 @@
-
- template<int Order>
- EIGEN_DEVICE_FUNC
--inline Reshaped<EIGEN_RESHAPED_METHOD_CONST Derived, SizeAtCompileTime, 1, (Order==AutoOrder?Flags&RowMajorBit:Order)>
-+inline Reshaped<EIGEN_RESHAPED_METHOD_CONST Derived, SizeAtCompileTime, 1,
-+                internal::get_compiletime_reshape_order<Flags,Order>::value>
- reshaped() EIGEN_RESHAPED_METHOD_CONST
- {
-   EIGEN_STATIC_ASSERT(Order==RowMajor || Order==ColMajor || Order==AutoOrder, INVALID_TEMPLATE_PARAMETER);
--  return Reshaped<EIGEN_RESHAPED_METHOD_CONST Derived, SizeAtCompileTime, 1, (Order==AutoOrder?Flags&RowMajorBit:Order)>
-+  return Reshaped<EIGEN_RESHAPED_METHOD_CONST Derived, SizeAtCompileTime, 1,
-+                  internal::get_compiletime_reshape_order<Flags,Order>::value>
-                 (derived(), size(), 1);
- }
-