Index: llvm/trunk/lib/Target/WebAssembly/InstPrinter/WebAssemblyInstPrinter.cpp
===================================================================
--- llvm/trunk/lib/Target/WebAssembly/InstPrinter/WebAssemblyInstPrinter.cpp
+++ llvm/trunk/lib/Target/WebAssembly/InstPrinter/WebAssemblyInstPrinter.cpp
@@ -154,6 +154,7 @@
             (Desc.TSFlags & WebAssemblyII::VariableOpIsImmediate)) &&
            "WebAssemblyII::VariableOpIsImmediate should be set for "
            "variable_ops immediate ops");
+    (void)Desc;
     // TODO: (MII.get(MI->getOpcode()).TSFlags &
     //        WebAssemblyII::VariableOpImmediateIsLabel)
     // can tell us whether this is an immediate referencing a label in the