diff --git a/llvm/lib/CodeGen/TargetLoweringBase.cpp b/llvm/lib/CodeGen/TargetLoweringBase.cpp
index f4cfe4f341cb3..ab574232e3677 100644
--- a/llvm/lib/CodeGen/TargetLoweringBase.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringBase.cpp
@@ -715,6 +715,7 @@ TargetLoweringBase::TargetLoweringBase(const TargetMachine &tm) : TM(tm) {
   SchedPreferenceInfo = Sched::ILP;
   GatherAllAliasesMaxDepth = 18;
   IsStrictFPEnabled = DisableStrictNodeMutation;
+  MaxBytesForAlignment = 0;
   // TODO: the default will be switched to 0 in the next commit, along
   // with the Target-specific changes necessary.
   MaxAtomicSizeInBitsSupported = 1024;