add stmtexpr support for aggregates

llvm-svn: 41662
diff --git a/clang/CodeGen/CGExprAgg.cpp b/clang/CodeGen/CGExprAgg.cpp
index 8ae6f69..7ade133 100644
--- a/clang/CodeGen/CGExprAgg.cpp
+++ b/clang/CodeGen/CGExprAgg.cpp
@@ -67,6 +67,7 @@
   //  case Expr::ImplicitCastExprClass:
   //  case Expr::CastExprClass: 
   //  case Expr::CallExprClass:
+  void VisitStmtExpr(const StmtExpr *E);
   void VisitBinaryOperator(const BinaryOperator *BO);
   void VisitBinAssign(const BinaryOperator *E);
 
@@ -128,6 +129,10 @@
 //                            Visitor Methods
 //===----------------------------------------------------------------------===//
 
+void AggExprEmitter::VisitStmtExpr(const StmtExpr *E) {
+  CGF.EmitCompoundStmt(*E->getSubStmt(), true, DestPtr, VolatileDest);
+}
+
 void AggExprEmitter::VisitBinaryOperator(const BinaryOperator *E) {
   fprintf(stderr, "Unimplemented aggregate binary expr!\n");
   E->dump();