From f18fc40a32258a40893ef33b5bfbeed4b7ac20e9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20K=C3=B6ppe?= <tkoeppe@google.com>
Date: Wed, 28 May 2025 23:48:20 +0100
Subject: [PATCH] Add missing standard library header inclusions (#5486)

Discovered by clang-tidy.

See also #5316.
---
 common/check_test.cpp             | 2 ++
 common/command_line_test.cpp      | 2 ++
 common/struct_reflection_test.cpp | 2 ++
 common/template_string_test.cpp   | 2 ++
 toolchain/check/check_unit.cpp    | 1 +
 toolchain/check/generic.cpp       | 2 ++
 toolchain/check/thunk.cpp         | 2 ++
 toolchain/sem_ir/import_ir.cpp    | 2 ++
 8 files changed, 15 insertions(+)

diff --git a/common/check_test.cpp b/common/check_test.cpp
index 203bf0db3e4e..ae103d967122 100644
--- a/common/check_test.cpp
+++ b/common/check_test.cpp
@@ -6,6 +6,8 @@
 
 #include <gtest/gtest.h>
 
+#include <string>
+
 namespace Carbon {
 namespace {
 
diff --git a/common/command_line_test.cpp b/common/command_line_test.cpp
index b2c7b2e57a21..593fd3f4ab9e 100644
--- a/common/command_line_test.cpp
+++ b/common/command_line_test.cpp
@@ -7,6 +7,8 @@
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
 
+#include <string>
+
 #include "common/error_test_helpers.h"
 #include "common/raw_string_ostream.h"
 #include "llvm/Support/FormatVariadic.h"
diff --git a/common/struct_reflection_test.cpp b/common/struct_reflection_test.cpp
index 8ea54a59866c..39b58d410a75 100644
--- a/common/struct_reflection_test.cpp
+++ b/common/struct_reflection_test.cpp
@@ -6,6 +6,8 @@
 
 #include <gtest/gtest.h>
 
+#include <tuple>
+
 namespace Carbon::StructReflection {
 namespace {
 
diff --git a/common/template_string_test.cpp b/common/template_string_test.cpp
index 542fa00c2311..746f85828eb6 100644
--- a/common/template_string_test.cpp
+++ b/common/template_string_test.cpp
@@ -7,6 +7,8 @@
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
 
+#include <type_traits>
+
 namespace Carbon {
 namespace {
 
diff --git a/toolchain/check/check_unit.cpp b/toolchain/check/check_unit.cpp
index f762c2fa145d..7ba395fec7c7 100644
--- a/toolchain/check/check_unit.cpp
+++ b/toolchain/check/check_unit.cpp
@@ -4,6 +4,7 @@
 
 #include "toolchain/check/check_unit.h"
 
+#include <iterator>
 #include <string>
 #include <tuple>
 #include <utility>
diff --git a/toolchain/check/generic.cpp b/toolchain/check/generic.cpp
index 00cf5c5b3a89..d29cd5cee78d 100644
--- a/toolchain/check/generic.cpp
+++ b/toolchain/check/generic.cpp
@@ -4,6 +4,8 @@
 
 #include "toolchain/check/generic.h"
 
+#include <utility>
+
 #include "toolchain/base/kind_switch.h"
 #include "toolchain/check/diagnostic_helpers.h"
 #include "toolchain/check/eval.h"
diff --git a/toolchain/check/thunk.cpp b/toolchain/check/thunk.cpp
index 68444d254048..c91dafde9083 100644
--- a/toolchain/check/thunk.cpp
+++ b/toolchain/check/thunk.cpp
@@ -4,6 +4,8 @@
 
 #include "toolchain/check/thunk.h"
 
+#include <utility>
+
 #include "toolchain/base/kind_switch.h"
 #include "toolchain/check/call.h"
 #include "toolchain/check/convert.h"
diff --git a/toolchain/sem_ir/import_ir.cpp b/toolchain/sem_ir/import_ir.cpp
index 321d95535df6..5289bea51180 100644
--- a/toolchain/sem_ir/import_ir.cpp
+++ b/toolchain/sem_ir/import_ir.cpp
@@ -4,6 +4,8 @@
 
 #include "toolchain/sem_ir/import_ir.h"
 
+#include <utility>
+
 #include "toolchain/sem_ir/file.h"
 
 namespace Carbon::SemIR {