From f87d9b533576352e80ec4c6c41dd7f76e6f4dec5 Mon Sep 17 00:00:00 2001
From: Ajay Bhargav Baaskaran <ajaybhargavb@gmail.com>
Date: Mon, 7 Jan 2019 20:18:39 -0800
Subject: [PATCH] Fix null ref in the parser (dotnet/aspnetcore-tooling#103)

\n\nCommit migrated from https://github.com/dotnet/aspnetcore-tooling/commit/8e1629b60b26c438b7bfbbf0e654a4bf15141788
---
 .../src/Legacy/HtmlMarkupParser.cs                               | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Razor/Microsoft.AspNetCore.Razor.Language/src/Legacy/HtmlMarkupParser.cs b/src/Razor/Microsoft.AspNetCore.Razor.Language/src/Legacy/HtmlMarkupParser.cs
index ed20cc9617..60bca288c6 100644
--- a/src/Razor/Microsoft.AspNetCore.Razor.Language/src/Legacy/HtmlMarkupParser.cs
+++ b/src/Razor/Microsoft.AspNetCore.Razor.Language/src/Legacy/HtmlMarkupParser.cs
@@ -1591,6 +1591,7 @@ namespace Microsoft.AspNetCore.Razor.Language.Legacy
                 var node = tagBlock.Attributes[i];
 
                 if (node is MarkupAttributeBlockSyntax attributeBlock &&
+                    attributeBlock.Value != null &&
                     attributeBlock.Value.Children.Count > 0 &&
                     IsTypeAttribute(attributeBlock))
                 {