[PATCH] [ms-cxxabi] Fix assertion on unhandled function template arg types

[John McCall]

On Mar 19, 2013, at 3:55 PM, Reid Kleckner <rnk at google.com> wrote:
> This code was changed in r158376 to get template argument source info
> for better diagnostics, but the current code asserts for any kind of
> unsupported template argument before it can issue a diagnostic.  This change
> goes back to the Itanium implementation of isTemplate() and puts the argument
> index into the diagnostic instead of a source location.

Sounds fine.  There's no reason to go through heroics for these
unsupported-mangling diagnostics.

John.