Use LLVMFoldingBuilder

llvm-svn: 42807
diff --git a/clang/CodeGen/CGExprAgg.cpp b/clang/CodeGen/CGExprAgg.cpp
index de9e2b5..743c248 100644
--- a/clang/CodeGen/CGExprAgg.cpp
+++ b/clang/CodeGen/CGExprAgg.cpp
@@ -27,7 +27,7 @@
 namespace  {
 class VISIBILITY_HIDDEN AggExprEmitter : public StmtVisitor<AggExprEmitter> {
   CodeGenFunction &CGF;
-  llvm::LLVMBuilder &Builder;
+  llvm::LLVMFoldingBuilder &Builder;
   llvm::Value *DestPtr;
   bool VolatileDest;
 public: