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Re: [PATCH] s390: Fix build warning with gcc6 in jmpbuf-unwind.h.


Stefan Liebler <stli@linux.vnet.ibm.com> writes:

> On 07/23/2015 10:30 AM, Andreas Schwab wrote:
>> Stefan Liebler <stli@linux.vnet.ibm.com> writes:
>>
>>> This patch casts _Unwind_GetCFA return to _Unwind_Ptr first
>>
>> How can a cast fix a truncated pointer value on s390x?
>>
>> Andreas.
>>
> Why is the pointer truncated on s390x?
> All three types _Unwind_Word, _Unwind_Ptr and void * have a size of 4bytes
> on s390 and 8 bytes on s390x.

Then why do you get a warning?

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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