In line comments in parameters for function are not recognized

[microsoftly]

Environment data

dotnet --info output:
.NET Command Line Tools (1.0.0-preview3-003755)

Product Information:
Version: 1.0.0-preview3-003755
Commit SHA-1 hash: 3117e4a686

Runtime Environment:
OS Name: Mac OS X
OS Version: 10.11
OS Platform: Darwin
RID: osx.10.11-x64

VS Code version: 1.5.3
C# Extension version: 1.4

Steps to reproduce

The following code snippet does not have the commented portion properly identified

public void methodWithParametersCommented(int p1, /*int p2*/, int p3) {} 

Expected behavior

actual colorization of comments as well as knowing the section being commented out

Actual behavior

no colorization of commented section, sometime erroneous syntax errors