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Re: [PATCH] Bump LTO_major_version


On Mon, 29 Nov 2010, Andi Kleen wrote:

> Richard Guenther <rguenther@suse.de> writes:
> 
> > This bumps the LTO major version and makes us reject LTO objects built
> > with 4.5 instead of crash in the option handling code.
> >
> > I tried to look at incorporating some checksum like we do for PCH, but
> 
> A patch for adding a option checksum is available at
> http://gcc.gnu.org/ml/gcc-patches/2010-10/msg00098.html

I know, but just checksumming options doesn't buy us much.  Either
checksum everything or live with manual updating of the LTO version.

Richard.


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