diff --git a/mlir/lib/Dialect/Linalg/IR/LinalgOps.cpp b/mlir/lib/Dialect/Linalg/IR/LinalgOps.cpp
--- a/mlir/lib/Dialect/Linalg/IR/LinalgOps.cpp
+++ b/mlir/lib/Dialect/Linalg/IR/LinalgOps.cpp
@@ -1214,6 +1214,7 @@
   if (auto val = ofr.dyn_cast<Value>())
     return val;
   auto intVal = getConstantIntValue(ofr);
+  (void)intVal;
   auto intAttr = ofr.dyn_cast<Attribute>().dyn_cast_or_null<IntegerAttr>();
   assert(intVal && "expected Value or IntegerAttr");
   return builder.create<ConstantIndexOp>(loc, intAttr.getInt());