diff --git a/clang/lib/CodeGen/CGExprConstant.cpp b/clang/lib/CodeGen/CGExprConstant.cpp
index c46f38d651972..cd91a698a9336 100644
--- a/clang/lib/CodeGen/CGExprConstant.cpp
+++ b/clang/lib/CodeGen/CGExprConstant.cpp
@@ -1930,8 +1930,9 @@ ConstantLValueEmitter::tryEmitAbsolute(llvm::Type *destTy) {
   // FIXME: signedness depends on the original integer type.
   auto intptrTy = CGM.getDataLayout().getIntPtrType(destPtrTy);
   llvm::Constant *C;
-  C = llvm::ConstantExpr::getIntegerCast(getOffset(), intptrTy,
-                                         /*isSigned*/ false);
+  C = llvm::ConstantFoldIntegerCast(getOffset(), intptrTy, /*isSigned*/ false,
+                                    CGM.getDataLayout());
+  assert(C && "Must have folded, as Offset is a ConstantInt");
   C = llvm::ConstantExpr::getIntToPtr(C, destPtrTy);
   return C;
 }