From 4131af3912e1fad6d8d80d12a458052fde827ec7 Mon Sep 17 00:00:00 2001
From: Camden Dixie O'Brien <cdo@wip.sh>
Date: Sun, 10 Nov 2024 16:28:38 +0000
Subject: [PATCH] Assign match result to volatile in benchmarks

This is needed to avoid the compiler eliding the call in
highly-optimised builds.
---
 benchmarks/matching_benchmarks.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/benchmarks/matching_benchmarks.c b/benchmarks/matching_benchmarks.c
index c98cc12..79a5f2d 100644
--- a/benchmarks/matching_benchmarks.c
+++ b/benchmarks/matching_benchmarks.c
@@ -31,9 +31,11 @@ static void matching_benchmark(const fsa_t *fsa)
 	for (int j = 0; j < LEN; ++j)
 		s[j] = CLAMP_CHAR(rand());
 
+	volatile bool match;
 	START_CLOCK();
-	fsa_accepts(fsa, s, LEN);
+	match = fsa_accepts(fsa, s, LEN);
 	STOP_CLOCK();
+	(void)match;
 }
 
 int main(void)