From 33e3f5ac5b8eb394138b5f3441f68fe12a83a6ef Mon Sep 17 00:00:00 2001
From: Chen Weihang <chenweihang@baidu.com>
Date: Thu, 27 Jan 2022 19:41:48 +0800
Subject: [PATCH] Add kernelsignature constructor for windows (#39253)

* add constructor for win

* change impl

* fix bug
---
 paddle/pten/core/compat/arg_map_context.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/paddle/pten/core/compat/arg_map_context.h b/paddle/pten/core/compat/arg_map_context.h
index e7dfc070654..835799ec546 100644
--- a/paddle/pten/core/compat/arg_map_context.h
+++ b/paddle/pten/core/compat/arg_map_context.h
@@ -34,6 +34,7 @@ struct KernelSignature {
   KernelArgsTuple args;
 
   KernelSignature() = default;
+
   KernelSignature(std::string&& kernel_name,
                   paddle::SmallVector<std::string>&& inputs,
                   paddle::SmallVector<std::string>&& attrs,
@@ -45,6 +46,14 @@ struct KernelSignature {
                   const paddle::SmallVector<std::string>& attrs,
                   const paddle::SmallVector<std::string>& outputs)
       : name(kernel_name), args(std::make_tuple(inputs, attrs, outputs)) {}
+
+  // TODO(chenweihang): add assign constructor to solve windows compile
+  // problem, remove it later
+  KernelSignature& operator=(const KernelSignature& other) {
+    name = other.name;
+    args = other.args;
+    return *this;
+  }
 };
 
 std::ostream& operator<<(std::ostream& os, KernelSignature signature);
-- 
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