GCC 4.4.0 XCFLAGS

[Bryan Kadzban]

On Fri, Jul 03, 2009 at 08:55:50PM +0100, Guy Dalziel wrote:
> I don't know how important the difference 
> between _most_ compiles and _all_ compiles is, but T_CFLAGS seems to work 
> just as well.

The point of adding that flag was to create byte-for-byte identical
compiler binaries.  Have you verified that hacking on T_CFLAGS (instead
of XCFLAGS) actually does this?

If it doesn't, then I'd say get rid of this (and resign ourselves to not
having byte-for-byte identical compilers between the bootstrap and
non-bootstrap builds).  Don't play with more undocumented flags just to
get something that looks like what we had before, if it doesn't actually
do what we need...

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