Index: llvm/trunk/lib/Target/Hexagon/HexagonBitSimplify.cpp
===================================================================
--- llvm/trunk/lib/Target/Hexagon/HexagonBitSimplify.cpp
+++ llvm/trunk/lib/Target/Hexagon/HexagonBitSimplify.cpp
@@ -896,6 +896,7 @@
                   *MRI.getTargetRegisterInfo());
 
   auto VerifySR = [&HRI] (const TargetRegisterClass *RC, unsigned Sub) -> void {
+    (void)HRI;
     assert(Sub == HRI.getHexagonSubRegIndex(RC, Hexagon::ps_sub_lo) ||
            Sub == HRI.getHexagonSubRegIndex(RC, Hexagon::ps_sub_hi));
   };
Index: llvm/trunk/lib/Transforms/Scalar/SROA.cpp
===================================================================
--- llvm/trunk/lib/Transforms/Scalar/SROA.cpp
+++ llvm/trunk/lib/Transforms/Scalar/SROA.cpp
@@ -1825,6 +1825,7 @@
     // Rank the remaining candidate vector types. This is easy because we know
     // they're all integer vectors. We sort by ascending number of elements.
     auto RankVectorTypes = [&DL](VectorType *RHSTy, VectorType *LHSTy) {
+      (void)DL;
       assert(DL.getTypeSizeInBits(RHSTy) == DL.getTypeSizeInBits(LHSTy) &&
              "Cannot have vector types of different sizes!");
       assert(RHSTy->getElementType()->isIntegerTy() &&
Index: llvm/trunk/lib/Transforms/Utils/ValueMapper.cpp
===================================================================
--- llvm/trunk/lib/Transforms/Utils/ValueMapper.cpp
+++ llvm/trunk/lib/Transforms/Utils/ValueMapper.cpp
@@ -681,6 +681,7 @@
     remapOperands(*ClonedN, [this, &D, &G](Metadata *Old) {
       if (Optional<Metadata *> MappedOp = getMappedOp(Old))
         return *MappedOp;
+      (void)D;
       assert(G.Info[Old].ID > D.ID && "Expected a forward reference");
       return &G.getFwdReference(*cast<MDNode>(Old));
     });