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Re: [ARM optimization back-end] Strange bug in MySQL
Emmanuel Fleury writes:
> Andrew Haley wrote:
> >
> > It seems that no-one has investigated what is really going on. All
> > the gdb backtraces are without any debuginfo, and no-one has looked at
> > where exactly the segfault happens. No-one has looked at the source
> > code that faults, or the assembly code generated by the compiler.
>
> Yesterday, I asked the guy to compile with debug symbols and to redo the
> trace. I'll keep you informed. I'll try to monitor him and get some more
> information about it.
>
> But if the bug disappear when -O2 is turned off, I do suspect
> (*eventually*) some problem in the ARM back-end... Am I right ?
It's possible, but probably not. Most bugs that appear at -O2 are
coding errors, but let's wait before pushing to any judgment.
Andrew.