[Bug preprocessor/69543] [6/7 Regression] _Pragma does not apply within macro

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69543

--- Comment #11 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
(In reply to David Malcolm from comment #10)
> The lines in comment #9 came from 18f0e0e551a995687e1822aabb9b7d7ee8f11492
> aka r186971 (affecting gcc.dg/cpp/pragma-diagnostic-2.c)

This was:
  "[PATCH 07/11] Fix -Wuninitialized for -ftrack-macro-expansion"
  * "https://gcc.gnu.org/ml/gcc-patches/2012-04/msg00574.html'

as part of this kit:
  "Patches to enable -ftrack-macro-expansion by default"
    * https://gcc.gnu.org/ml/gcc-patches/2012-04/msg00532.html