From 2df87ddacc65066b694e51067c20aa4e8ea2ee76 Mon Sep 17 00:00:00 2001
From: micttyl <109993301+micttyl@users.noreply.github.com>
Date: Wed, 21 Sep 2022 09:09:13 -0700
Subject: [PATCH] Include Missing Libraries (#2201)

Minor Style: non-auto to auto
---
 toolchain/semantics/BUILD                      | 1 +
 toolchain/semantics/parse_subtree_consumer.cpp | 4 ++++
 toolchain/semantics/parse_subtree_consumer.h   | 1 +
 toolchain/semantics/semantics_ir.h             | 3 ++-
 4 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/toolchain/semantics/BUILD b/toolchain/semantics/BUILD
index a2e14e088611..d87d8fa81a56 100644
--- a/toolchain/semantics/BUILD
+++ b/toolchain/semantics/BUILD
@@ -29,6 +29,7 @@ cc_library(
     hdrs = ["parse_subtree_consumer.h"],
     deps = [
         "//common:check",
+        "//toolchain/parser:parse_node_kind",
         "//toolchain/parser:parse_tree",
         "@llvm-project//llvm:Support",
     ],
diff --git a/toolchain/semantics/parse_subtree_consumer.cpp b/toolchain/semantics/parse_subtree_consumer.cpp
index 6d347a004e87..f57cc4d4c675 100644
--- a/toolchain/semantics/parse_subtree_consumer.cpp
+++ b/toolchain/semantics/parse_subtree_consumer.cpp
@@ -5,6 +5,10 @@
 #include "toolchain/semantics/parse_subtree_consumer.h"
 
 #include "common/check.h"
+#include "llvm/ADT/None.h"
+#include "llvm/ADT/Optional.h"
+#include "toolchain/parser/parse_node_kind.h"
+#include "toolchain/parser/parse_tree.h"
 
 namespace Carbon {
 
diff --git a/toolchain/semantics/parse_subtree_consumer.h b/toolchain/semantics/parse_subtree_consumer.h
index 439db1a4e38f..0d09256429be 100644
--- a/toolchain/semantics/parse_subtree_consumer.h
+++ b/toolchain/semantics/parse_subtree_consumer.h
@@ -8,6 +8,7 @@
 #include <iterator>
 
 #include "llvm/ADT/Optional.h"
+#include "toolchain/parser/parse_node_kind.h"
 #include "toolchain/parser/parse_tree.h"
 
 namespace Carbon {
diff --git a/toolchain/semantics/semantics_ir.h b/toolchain/semantics/semantics_ir.h
index bf4b38f90921..85b32d25eba0 100644
--- a/toolchain/semantics/semantics_ir.h
+++ b/toolchain/semantics/semantics_ir.h
@@ -5,6 +5,7 @@
 #ifndef CARBON_TOOLCHAIN_SEMANTICS_SEMANTICS_IR_H_
 #define CARBON_TOOLCHAIN_SEMANTICS_SEMANTICS_IR_H_
 
+#include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/SmallVector.h"
 #include "toolchain/parser/parse_tree.h"
 #include "toolchain/semantics/node_store.h"
@@ -24,7 +25,7 @@ class SemanticsIR {
   }
 
   // Prints the node information.
-  void Print(llvm::raw_ostream& out, Semantics::NodeRef node_ref) const;
+  auto Print(llvm::raw_ostream& out, Semantics::NodeRef node_ref) const -> void;
 
  private:
   friend class SemanticsIRFactory;