Natvis: Template parameter mismatch - by Jean Geffroy

Status : 

  Fixed<br /><br />
		This item has been fixed in the current or upcoming version of this product.<br /><br />
		A more detailed explanation for the resolution of this particular item may have been provided in the comments section.

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ID 767225 Comments
Status Closed Workarounds
Type Bug Repros 3
Opened 10/12/2012 10:34:18 AM
Access Restriction Public


I am currently working on a project which uses STLPort and I want to create a Natvis file so that we can easily debug STL containers. I am however facing a problem with some containers: the template parameters $Tn defined in the natvis file are not properly resolved, except for the very first element that is observed through the debugger within the currently active debugging session.

This is a very important issue for us, since not being able to properly debug STL types with VS2012 slows down the team.
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Posted by Deon [MSFT] on 4/29/2014 at 12:31 PM
Thank you for reporting this issue. This issue has been fixed in Visual Studio 2013. You can install a trial version of Visual Studio 2013 with the fix from:
Posted by sébastien Wybo on 5/22/2013 at 12:58 AM
Has this issue been fixed in one of the VS2012 updates? Because I'm having a similar problem with Qt 4.8 types when using nested, different template parameters, types.
Posted by Eric [MSFT] on 12/18/2012 at 5:24 PM
Thank you for your feedback. We have determined that the problem in question is indeed a bug in our handling of natvis files and are considering fixing this for a future release. In the meantime, you should know that the bug gets triggered when you have a natvis entry for a template class that uses a node type which is not a template class. Given this, you may be able to work around the issue by changing the code so that the tree node is a template class which inherits the parent object's template parameters, rather than a non-template class, requiring $T3 to bind to the 3rd parameter type of the parent object. - Visual Studio Debugger Team
Posted by Macy [MSFT] on 10/15/2012 at 1:00 AM
Thanks for your feedback.

We are rerouting this issue to the appropriate group within the Visual Studio Product Team for triage and resolution. These specialized experts will follow-up with your issue.
Posted by Macy [MSFT] on 10/12/2012 at 10:51 AM
Thank you for your feedback, we are currently reviewing the issue you have submitted. If this issue is urgent, please contact support directly(