[cfe-commits] [PATCH] Reimplement __pragma support

[Peter Collingbourne]

This patch series reimplements __pragma using a TokenLexer and reusing
the original tokens.  This makes diagnostics look better and also
fixes a bug where we would accept things like __pragma(o n c e).
It's still not perfect but IMHO an improvement on what we had before.

I don't have access to the Microsoft headers so it would be good if
someone (Francois?) could test for regressions against those headers.

OK to commit?

Thanks,
-- 
Peter
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