[PATCH] Anonymous namespaces are missing import DW_TAG_imported_module.

[Paul Robinson]

Our debugger guys get pretty pedantic about interpreting the DWARF spec. I know GDB will auto-import info from an anonymous namespace, but:

- the size cost here is really minimal (what, 5 or 6 bytes per anonymous namespace scope);
- they claimed that deciding whether to skip the namespace based on the name would be a problem for them;
- the compiler implementation is obviously trivial;

so I didn't really feel motivated to argue the point.


http://reviews.llvm.org/D7878

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