From ed15c63a40fdfb67f152f3ed677d8792a83563bf Mon Sep 17 00:00:00 2001
From: Henner Zeller <h.zeller@acm.org>
Date: Mon, 8 Jun 2026 07:45:50 -0700
Subject: [PATCH] IYWU: include necessary header for constant_fold()

Signed-off-by: Henner Zeller <h.zeller@acm.org>
---
 src/syn/test/opt_test.cc | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/syn/test/opt_test.cc b/src/syn/test/opt_test.cc
index 54a23c6ebbb..48b2063cfbe 100644
--- a/src/syn/test/opt_test.cc
+++ b/src/syn/test/opt_test.cc
@@ -4,6 +4,7 @@
 #include <memory>
 #include <sstream>
 
+#include "flow/constant_fold.h"
 #include "gtest/gtest.h"
 #include "syn/ir/Bundle.h"
 #include "syn/ir/Const.h"
@@ -24,8 +25,6 @@ int main(int argc, char** argv)
 
 namespace syn {
 
-void constantFold(Graph& g);
-
 TEST(OptTest, AndZero)
 {
   Graph g;