From b7c4e21da4e12949f8ebf64f943e32c61ca48458 Mon Sep 17 00:00:00 2001
From: Timo Paulssen <timonator@perpetuum-immobile.de>
Date: Thu, 16 Aug 2018 04:36:17 +0200
Subject: [PATCH] don't even need to allocate when spesh log is off

---
 src/spesh/graph.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/spesh/graph.c b/src/spesh/graph.c
index d201e02ffb..b73f374f21 100644
--- a/src/spesh/graph.c
+++ b/src/spesh/graph.c
@@ -71,6 +71,9 @@ MVM_PUBLIC void MVM_spesh_graph_add_comment(MVMThreadContext *tc, MVMSpeshGraph
     va_list ap;
     MVMSpeshAnn *ann;
 
+    if (!MVM_spesh_debug_enabled(tc))
+        return;
+
     va_start(ap, fmt);
 
     size = vsnprintf(NULL, 0, fmt, ap);