From e8efcbec8c7e66e6e7ab45354189b9fc4166938e Mon Sep 17 00:00:00 2001
From: Ben Boeckel <ben.boeckel@kitware.com>
Date: Mon, 15 May 2023 16:50:13 -0400
Subject: iwyu: ignore `std::remove_reference` requirements

This removes some includes from some existing files.
---
 Source/cmCMakeHostSystemInformationCommand.cxx | 1 -
 Source/cmString.cxx                            | 1 -
 Tests/CMakeLib/testStringAlgorithms.cxx        | 3 +--
 Utilities/IWYU/mapping.imp                     | 1 +
 4 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/Source/cmCMakeHostSystemInformationCommand.cxx b/Source/cmCMakeHostSystemInformationCommand.cxx
index 8bfd7c8..1c00f15 100644
--- a/Source/cmCMakeHostSystemInformationCommand.cxx
+++ b/Source/cmCMakeHostSystemInformationCommand.cxx
@@ -8,7 +8,6 @@
 #include <initializer_list>
 #include <map>
 #include <string>
-#include <type_traits>
 #include <utility>
 
 #include <cm/optional>
diff --git a/Source/cmString.cxx b/Source/cmString.cxx
index aefaa64..f7f6293 100644
--- a/Source/cmString.cxx
+++ b/Source/cmString.cxx
@@ -9,7 +9,6 @@
 #include <ostream>
 #include <stdexcept>
 #include <string>
-#include <type_traits>
 
 namespace cm {
 
diff --git a/Tests/CMakeLib/testStringAlgorithms.cxx b/Tests/CMakeLib/testStringAlgorithms.cxx
index 1bb23df..78442ba 100644
--- a/Tests/CMakeLib/testStringAlgorithms.cxx
+++ b/Tests/CMakeLib/testStringAlgorithms.cxx
@@ -1,12 +1,11 @@
 /* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
    file Copyright.txt or https://cmake.org/licensing for details.  */
 
-#include <cmConfigure.h> // IWYU pragma: keep
+#include "cmConfigure.h" // IWYU pragma: keep
 
 #include <iostream>
 #include <sstream>
 #include <string>
-#include <type_traits>
 #include <utility>
 #include <vector>
 
diff --git a/Utilities/IWYU/mapping.imp b/Utilities/IWYU/mapping.imp
index 6443632..366c517 100644
--- a/Utilities/IWYU/mapping.imp
+++ b/Utilities/IWYU/mapping.imp
@@ -99,6 +99,7 @@
   { symbol: [ "std::enable_if<true, std::chrono::duration<long, std::ratio<60, 1> > >::type", private, "\"cmConfigure.h\"", public ] },
   { symbol: [ "std::enable_if<true, std::chrono::duration<long, std::ratio<1, 1000> > >::type", private, "\"cmConfigure.h\"", public ] },
   { symbol: [ "__gnu_cxx::__enable_if<true, bool>::__type", private, "\"cmConfigure.h\"", public ] },
+  { symbol: [ "std::remove_reference<std::basic_string<char, std::char_traits<char>, std::allocator<char> > &>::type", private, "\"cmConfigure.h\"", public ] },
   { symbol: [ "std::remove_reference<Defer &>::type", private, "\"cmConfigure.h\"", public ] },
 
   # Wrappers for 3rd-party libraries
-- 
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