ci: Enable IWYU in src/kernel directory

Suggested https://github.com/bitcoin/bitcoin/pull/25308#discussion_r892505713

3 files changed, 22 insertions, 2 deletions

diff --git a/src/kernel/checks.cpp b/src/kernel/checks.cpp
index f476db60f5..4c303c172c 100644
--- a/src/kernel/checks.cpp
+++ b/src/kernel/checks.cpp
@@ -9,6 +9,8 @@
 #include <util/time.h>
 #include <util/translation.h>
 
+#include <memory>
+
 namespace kernel {
 
 std::optional<bilingual_str> SanityChecks(const Context&)
diff --git a/src/kernel/coinstats.cpp b/src/kernel/coinstats.cpp
index f380871627..8d948bfc1d 100644
--- a/src/kernel/coinstats.cpp
+++ b/src/kernel/coinstats.cpp
@@ -4,16 +4,32 @@
 
 #include <kernel/coinstats.h>
 
+#include <chain.h>
 #include <coins.h>
 #include <crypto/muhash.h>
 #include <hash.h>
+#include <node/blockstorage.h>
+#include <primitives/transaction.h>
+#include <script/script.h>
 #include <serialize.h>
+#include <span.h>
+#include <streams.h>
+#include <sync.h>
+#include <tinyformat.h>
 #include <uint256.h>
+#include <util/check.h>
 #include <util/overflow.h>
 #include <util/system.h>
 #include <validation.h>
+#include <version.h>
 
+#include <cassert>
+#include <iosfwd>
+#include <iterator>
 #include <map>
+#include <memory>
+#include <string>
+#include <utility>
 
 namespace kernel {
 
diff --git a/src/kernel/coinstats.h b/src/kernel/coinstats.h
index a15957233f..b7c1328e93 100644
--- a/src/kernel/coinstats.h
+++ b/src/kernel/coinstats.h
@@ -5,16 +5,18 @@
 #ifndef BITCOIN_KERNEL_COINSTATS_H
 #define BITCOIN_KERNEL_COINSTATS_H
 
-#include <chain.h>
-#include <coins.h>
 #include <consensus/amount.h>
 #include <streams.h>
 #include <uint256.h>
 
 #include <cstdint>
 #include <functional>
+#include <optional>
 
 class CCoinsView;
+class Coin;
+class COutPoint;
+class CScript;
 namespace node {
 class BlockManager;
 } // namespace node