diff --git a/libunwind/src/Unwind-seh.cpp b/libunwind/src/Unwind-seh.cpp
--- a/libunwind/src/Unwind-seh.cpp
+++ b/libunwind/src/Unwind-seh.cpp
@@ -258,6 +258,7 @@
           ", func=%s, lsda=0x%" PRIx64 ", personality=0x%" PRIx64,
           (void *)exception_object, frameInfo.start_ip, functionName,
           frameInfo.lsda, frameInfo.handler);
+      (void)functionName;
     }
 
     // Call stop function at each frame.