From 04179380116d6e1efcf95a70f0d79b8e095b69c6 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Wed, 12 Aug 2020 02:19:06 +0430
Subject: [PATCH] [fuzzer] Mark alloc_state as unused

It is really unused when failing-alloc isn't on.
---
 test/fuzzing/hb-fuzzer.hh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/test/fuzzing/hb-fuzzer.hh b/test/fuzzing/hb-fuzzer.hh
index ca42c6839..edf049231 100644
--- a/test/fuzzing/hb-fuzzer.hh
+++ b/test/fuzzing/hb-fuzzer.hh
@@ -3,10 +3,16 @@
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
 
+#if defined(__GNUC__) && (__GNUC__ >= 4) || (__clang__)
+#define HB_UNUSED	__attribute__((unused))
+#else
+#define HB_UNUSED
+#endif
+
 #ifdef HB_IS_IN_FUZZER
 /* See src/failing-alloc.c */
 extern "C" int alloc_state;
 #else
 /* Just a dummy global variable */
-static int alloc_state = 0;
+static int HB_UNUSED alloc_state = 0;
 #endif