[cfe-commits] [Request for approval] Added basic source locations to Elaborated and DependentName types.

[Abramo Bagnara]

The attached patch improves support for locations inside Elaborated and
DependentName types.

A part of the patch adds the missing classof to make typeloc cast
assertions work as expected.

The next step should be adding source location to NestedNameSpecifier.

We think we will find some difficulties in the part of code related to
typeloc loading/propagation: we will appreciate any hint helping us in
this respect.

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