update to follow mainline llvm API change.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49607 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExprComplex.cpp b/lib/CodeGen/CGExprComplex.cpp
index a486d6a..45c0a40 100644
--- a/lib/CodeGen/CGExprComplex.cpp
+++ b/lib/CodeGen/CGExprComplex.cpp
@@ -31,7 +31,7 @@
 class VISIBILITY_HIDDEN ComplexExprEmitter
   : public StmtVisitor<ComplexExprEmitter, ComplexPairTy> {
   CodeGenFunction &CGF;
-  llvm::LLVMFoldingBuilder &Builder;
+  llvm::IRBuilder &Builder;
 public:
   ComplexExprEmitter(CodeGenFunction &cgf) : CGF(cgf), Builder(CGF.Builder) {
   }