Update for API change.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@75569 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExprConstant.cpp b/lib/CodeGen/CGExprConstant.cpp
index a8e7006..57427ee 100644
--- a/lib/CodeGen/CGExprConstant.cpp
+++ b/lib/CodeGen/CGExprConstant.cpp
@@ -170,7 +170,7 @@
     unsigned byte = V.getLoBits(curBits).getZExtValue() << (fieldOffset & 7);
     do {
       llvm::Constant* byteC = llvm::ConstantInt::get(llvm::Type::Int8Ty, byte);
-      Elts[i] = llvm::ConstantExpr::getOr(Elts[i], byteC);
+      Elts[i] = CGM.getLLVMContext().getConstantExprOr(Elts[i], byteC);
       ++i;
       V = V.lshr(curBits);
       bitsToInsert -= curBits;