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Re: Async I/O patch with compilation fix


On Sat, 4 Aug 2018 at 00:42, Thomas König <tk@tkoenig.net> wrote:
>
> Hi Cristophe,
>
> this is seriously weird - there is not even an I/O statement in that test case.
>
> One question: Is this real hardware or an emulator?
I'm using QEMU

> Also, Could you try a few things?
>
> Run the test case manually. Do you still fail?
Yes.

> Is there an error if the executable is run under valgrind?
I don't know how to do that with qemu, nor if valgrind supports armeb?

> If you have two compilers, one with the patch and one without: Is there a difference in the generated files for
>
> -dump-tree-original, -fdump-tree-optimized and -S?

I posted a few comments in the associated PR:
- the .s files are the same with /without the patch, so I suppose the
problem comes from the runtime libraries
- I've attached both execution traces and output from objdump on the
statically linked executable, so as to hopefully include all the code
executed

> Regards, Thomas


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