From e964d1d6dda61f1f8f9f4690842977ceeb428cef Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Thu, 12 Jun 2014 01:10:47 +0000
Subject: Remove some low hanging fruit from system_error.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210728 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Support/ErrorOr.h      | 16 +++++++++-------
 include/llvm/Support/system_error.h |  3 ---
 2 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/include/llvm/Support/ErrorOr.h b/include/llvm/Support/ErrorOr.h
index 625574b88b..e877b6ab9d 100644
--- a/include/llvm/Support/ErrorOr.h
+++ b/include/llvm/Support/ErrorOr.h
@@ -94,9 +94,10 @@ private:
 
 public:
   template <class E>
-  ErrorOr(E ErrorCode, typename std::enable_if<is_error_code_enum<E>::value ||
-                                               is_error_condition_enum<E>::value,
-                                               void *>::type = 0)
+  ErrorOr(E ErrorCode,
+          typename std::enable_if<std::is_error_code_enum<E>::value ||
+                                      std::is_error_condition_enum<E>::value,
+                                  void *>::type = 0)
       : HasError(true) {
     new (getErrorStorage()) error_code(make_error_code(ErrorCode));
   }
@@ -264,10 +265,11 @@ private:
   bool HasError : 1;
 };
 
-template<class T, class E>
-typename std::enable_if<is_error_code_enum<E>::value ||
-                        is_error_condition_enum<E>::value, bool>::type
-operator ==(ErrorOr<T> &Err, E Code) {
+template <class T, class E>
+typename std::enable_if<std::is_error_code_enum<E>::value ||
+                            std::is_error_condition_enum<E>::value,
+                        bool>::type
+operator==(ErrorOr<T> &Err, E Code) {
   return error_code(Err) == Code;
 }
 } // end namespace llvm
diff --git a/include/llvm/Support/system_error.h b/include/llvm/Support/system_error.h
index 9aa00d8745..ad2c99c25c 100644
--- a/include/llvm/Support/system_error.h
+++ b/include/llvm/Support/system_error.h
@@ -18,9 +18,6 @@
 
 namespace llvm {
 using std::error_code;
-using std::is_error_condition_enum;
-using std::is_error_code_enum;
-using std::system_category;
 using std::generic_category;
 using std::error_category;
 using std::make_error_code;
-- 
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