From 121ed71f4e395948d313249b2ad33e1e21581f8a Mon Sep 17 00:00:00 2001
From: "Erlend E. Aasland" <erlend@python.org>
Date: Mon, 12 May 2025 15:23:40 -0400
Subject: [PATCH] gh-132983: Fix compiler warning about unused function
 ``mt_continue_should_break()`` (#133947)

---
 Modules/_zstd/compressor.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Modules/_zstd/compressor.c b/Modules/_zstd/compressor.c
index f794acbc19c..97693fd043e 100644
--- a/Modules/_zstd/compressor.c
+++ b/Modules/_zstd/compressor.c
@@ -486,11 +486,13 @@ error:
     return NULL;
 }
 
+#ifdef Py_DEBUG
 static inline int
 mt_continue_should_break(ZSTD_inBuffer *in, ZSTD_outBuffer *out)
 {
     return in->size == in->pos && out->size != out->pos;
 }
+#endif
 
 static PyObject *
 compress_mt_continue_impl(ZstdCompressor *self, Py_buffer *data)