Re: next-20151007 perf build error "tools/include/linux/compiler.h:66: error: dereferencing pointer ‘res.41’ does break strict-aliasing rules"

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Em Wed, Oct 07, 2015 at 11:28:26AM -0700, Vinson Lee escreveu:
> Hi.
> 
> I hit this perf build error with next-20151007 with GCC 4.4.

Will check.
 
>   CC       util/annotate.o
> cc1: warnings being treated as errors
> util/annotate.c: In function ‘disasm__purge’:
> linux-next/tools/include/linux/compiler.h:66: error: dereferencing
> pointer ‘res.41’ does break strict-aliasing rules
> linux-next/tools/include/linux/compiler.h:66: note: initialized from here
> util/annotate.c: In function ‘symbol__annotate’:
> linux-next/tools/include/linux/compiler.h:66: error: dereferencing
> pointer ‘res.41’ does break strict-aliasing rules
> linux-next/tools/include/linux/compiler.h:66: note: initialized from here
> linux-next/tools/include/linux/compiler.h:52: error: dereferencing
> pointer ‘res.32’ does break strict-aliasing rules
> linux-next/tools/include/linux/compiler.h:52: note: initialized from here
> 
> Cheers,
> Vinson
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