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Re: [PATCH 2/2] Add an x86 IFUNC testcase for [BZ #20019]


On 05/10/2016 15:16, H.J. Lu wrote:
> On Tue, Oct 4, 2016 at 5:09 PM, Joseph Myers <joseph@codesourcery.com> wrote:
>> On Wed, 5 Oct 2016, H.J. Lu wrote:
>>
>>> I can try __builtin_memcpy, instread of __builtin_memmove.   There are 2
> 
> I changed it to use __builtin_memset.
> 
>>> acceptable results.  One is ld.so issues an error and the other is program runs.
>>> On x86, ld.so issues an error.  I don't know what should happen on others.
>>
>> You could make the test pass on either of those results (while failing if
>> ld.so crashes).
>>
> 
> I moved the test to elf.  It passes if the test runs or ld.so issues an
> error.  Please try it on arm, powerpc and s390.
> 

It shows no issue neither on arm (gcc 4.8.4, binutils 2.24) or powerpc64le
(gcc 5.4.0, binutils 2.26.1).
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