Bump cecil package version

eng/Versions.props

@@ -28,7 +28,7 @@
     <!-- This controls the version of the cecil package, or the version of cecil in the project graph
          when we build the cecil submodule. The reference assembly package will depend on this version of cecil.
          Keep this in sync with ProjectInfo.cs in the submodule. -->
-    <MonoCecilVersion>0.11.3</MonoCecilVersion>
+    <MonoCecilVersion>0.11.4</MonoCecilVersion>
     <UseVSTestRunner>true</UseVSTestRunner>
   </PropertyGroup>
 </Project>

test/Mono.Linker.Tests/Mono.Linker.Tests.csproj

@@ -8,6 +8,14 @@
     <DefineConstants Condition="'$(Configuration)' == 'Debug'">$(DefineConstants);DEBUG</DefineConstants>
   </PropertyGroup>
 
+  <ItemGroup>
+    <!-- Used in testcase to check the cecil package version. -->
+    <AssemblyAttribute Include="System.Reflection.AssemblyMetadata">
+      <_Parameter1>CecilPackageVersion</_Parameter1>
+      <_Parameter2>$(MonoCecilVersion)</_Parameter2>
+    </AssemblyAttribute>
+  </ItemGroup>
+
   <ItemGroup>
     <Folder Include="Properties\" />
     <Folder Include="TestCasesRunner\" />

test/Mono.Linker.Tests/Tests/CecilVersionCheck.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Linq;
+using System.Reflection;
+using NUnit.Framework;
+
+namespace Mono.Linker.Tests
+{
+	[TestFixture]
+	public class CecilVersionCheck
+	{
+		[TestCase]
+		public void CecilPackageVersionMatchesAssemblyVersion ()
+		{
+			var thisAssembly = Assembly.GetExecutingAssembly ();
+			var cecilPackageVersion = thisAssembly
+				.GetCustomAttributes<AssemblyMetadataAttribute> ()
+				.Where (ca => ca.Key == "CecilPackageVersion")
+				.Single ().Value;
+			// Assume that the test assembly builds against the same cecil as the linker.
+			var cecilAssemblyVersion = thisAssembly
+				.GetReferencedAssemblies ()
+				.Where (an => an.Name == "Mono.Cecil")
+				.Single ().Version;
+			Assert.AreEqual (cecilPackageVersion, cecilAssemblyVersion.ToString (3));
+		}
+	}
+}