diff --git a/mlir/lib/Dialect/MemRef/IR/MemRefOps.cpp b/mlir/lib/Dialect/MemRef/IR/MemRefOps.cpp
--- a/mlir/lib/Dialect/MemRef/IR/MemRefOps.cpp
+++ b/mlir/lib/Dialect/MemRef/IR/MemRefOps.cpp
@@ -368,8 +368,8 @@
           !lastNonTerminatorInRegion(lastParentWithoutScope))
         return failure();
     }
-    Operation *scope = lastParentWithoutScope->getParentOp();
-    assert(scope->hasTrait<OpTrait::AutomaticAllocationScope>());
+    assert(lastParentWithoutScope->getParentOp()
+               ->hasTrait<OpTrait::AutomaticAllocationScope>());
 
     Region *containingRegion = nullptr;
     for (auto &r : lastParentWithoutScope->getRegions()) {