Re: bootstrap failure on darwin, compare stages

[Andreas Tobler <toa at pop dot agri dot ch>]

David Edelsohn wrote:

>         The first thing is to disassemble the object files or recompile
> the source into assembly output with the two different stage compilers.
> Then see what differs between the two files.

David, others
I'd thank you for the direction. Sometimes I'm jealous that you got a
job covering topics on gcc and others.

I go on tomorrow. Including my shity ASN1 stuff. BTW, ASN1 is also
mentioned on gnu. still alive?

>         I have been seeing stage compare failures for GCC on AIX ever
> since the conversion of HOST_WIDE_INT to "long long" for 64-bit targets
> built on 32-bit hosts.  The problem never produces incorrect code, but
> something non-deterministic is occurring in the compiler.  The example of
> the comparison failure on AIX is one assembly file duplicating a TOC entry
> while the other file re-uses the old entry through an alias.  It seems
> like something not hashing to the same value or some wild write, but I and
> others have not been able to track it down after looking all Summer.

Maybe you need the 'herbst' as well ;-))

CHeers & thx

Andreas