Added TypeLocs to VAArgExpr node.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110666 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHWriterStmt.cpp b/lib/Frontend/PCHWriterStmt.cpp
index 2c4452c..52f0b79 100644
--- a/lib/Frontend/PCHWriterStmt.cpp
+++ b/lib/Frontend/PCHWriterStmt.cpp
@@ -695,6 +695,7 @@
 void PCHStmtWriter::VisitVAArgExpr(VAArgExpr *E) {
   VisitExpr(E);
   Writer.AddStmt(E->getSubExpr());
+  Writer.AddTypeSourceInfo(E->getWrittenTypeInfo(), Record);
   Writer.AddSourceLocation(E->getBuiltinLoc(), Record);
   Writer.AddSourceLocation(E->getRParenLoc(), Record);
   Code = pch::EXPR_VA_ARG;