Bootstrap Failure Question

[Jeff Law]

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On 11/04/11 14:15, Iyer, Balaji V wrote:
> Thanks Jeff for your help!
> 
> So, are the errors confined to these files? Or could it be
> anywhere?
It could be anywhere.  That failure means that stage1 and stage2
compilers generated different code for the listed files.  That only
happens when the stage1 compiler miscompiles the stage2 compiler.

> 
> Comparing stages 2 and 3 warning: gcc/cc1obj-checksum.o differs 
> warning: gcc/cc1-checksum.o differs warning: gcc/cc1plus-checksum.o
> differs Bootstrap comparison failure! gcc/i386-common.o differs 
> gcc/bitmap.o differs libiberty/timeval-utils.o differs 
> libiberty/pic/timeval-utils.o differs
> 
> 
> Is there anything else I can do to pin-point the problem? (like
> maybe gdb a certain file or pass a certain flag to get some debug
> info)
You have to find out why the two compilers generate different code,
the first point at which their behavior diverges indicates the code
that is being mis-compiled.

jeff
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