On Thu, 15 Nov 2012, Diego Novillo wrote:
> === Approach: Move GTY to cc1plus.
>
> Instead of a separate weak parser, we would make cc1plus
> understand GTY attributes.  The compiler would emit IL in the
> object files instead of generating source.
>
> This solution would require a first boot stage that did not
> support PCH, because we cannot rely on the seed compiler
> supporting GTY.  We would probably need to use the Boehm
> collector during the first stage as well.
>
> Because the first stage would be fundamentally different from the
> second stage, we may need to add an additional pass for correct
> object file comparisons.

It sounds like this would, for cross-compilers, require a native
GTY-savvy g++?  Please no.

brgds, H-P

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