Silenced a VC++ warning.
Updated VC++ project files.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@42015 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/AST/Expr.cpp b/AST/Expr.cpp
index 8ce5846..620c29b 100644
--- a/AST/Expr.cpp
+++ b/AST/Expr.cpp
@@ -368,7 +368,8 @@
   case CallExprClass: {
     const CallExpr *CE = cast<CallExpr>(this);
     llvm::APSInt Result(32);
-    Result.zextOrTrunc(Ctx.getTypeSize(getType(), CE->getLocStart()));
+    Result.zextOrTrunc(
+      static_cast<uint32_t>(Ctx.getTypeSize(getType(), CE->getLocStart())));
     if (CE->isBuiltinClassifyType(Result))
       break;
     if (Loc) *Loc = getLocStart();