From 7e11eb1f8710f75739a9e052897340de5a3de34b Mon Sep 17 00:00:00 2001
From: MLIR Team <no-reply@google.com>
Date: Fri, 17 May 2019 06:04:14 -0700
Subject: [PATCH]     Fix use of variables only used in asserts.     This
 otherwise triggers "unused variable" errors in optimized build mode.

--

PiperOrigin-RevId: 248706350
---
 mlir/lib/IR/SDBM.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/mlir/lib/IR/SDBM.cpp b/mlir/lib/IR/SDBM.cpp
index 438857de18cb..30233494b97d 100644
--- a/mlir/lib/IR/SDBM.cpp
+++ b/mlir/lib/IR/SDBM.cpp
@@ -171,10 +171,14 @@ public:
   SDBMBuilderResult visitSum(SDBMSumExpr expr) {
     auto lhs = visit(expr.getLHS());
     auto rhs = visit(expr.getRHS());
-    for (auto pos : rhs.negativePos)
+    for (auto pos : rhs.negativePos) {
+      (void)pos;
       assert(pos == 0 && "unexpected variable on the RHS of SDBM sum");
-    for (auto pos : rhs.positivePos)
+    }
+    for (auto pos : rhs.positivePos) {
+      (void)pos;
       assert(pos == 0 && "unexpected variable on the RHS of SDBM sum");
+    }
 
     lhs.value += rhs.value;
     return lhs;