[cfe-commits] r171267 - in /cfe/trunk: lib/Sema/Sema.cpp test/SemaCXX/warn-unused-filescoped.cpp

[Rafael Espíndola]

> How did these elements even end up in the UnusedFileScopedDecls  ?
> shouldn't we just ensure that they're not added there to begin with?

The problem is corner cases like

  typedef struct {
    void bar();
  } A;

bar will have external linkage, but we only know that when we get to
the 'A', by that time it is already in UnusedFileScopedDecls.

Cheers,
Rafael