MaskRay added a comment.

In D150490#4343442 <https://reviews.llvm.org/D150490#4343442>, @craig.topper 
wrote:

> In D150490#4343145 <https://reviews.llvm.org/D150490#4343145>, @enh wrote:
>
>> In D150490#4343128 <https://reviews.llvm.org/D150490#4343128>, @hiraditya 
>> wrote:
>>
>>>> Is there more context on why Android enables the frame pointer?
>>>
>>> From what i gathered, this is more of an effort to have parity such that 
>>> existing build flag overrides continue to be consistent.
>>
>> well, when i said that on the internal chat, i thought you were asking "why 
>> do we say what clang already says?" :-)
>>
>> if the question was actually "is there more context on why Android enables 
>> the frame pointer?" i'd have said something like "because Android developers 
>> [OS and app developers alike] do so much debugging from the field, where all 
>> we get is a crash report for something we probably can't repro locally, that 
>> having good _and_ cheap unwinds is super important to us".
>
> Thanks. I suspected that was the answer, but I wanted to check that it made 
> sense to copy AArch64.

Enabling the frame pointer is fine. We probably should revert ancient 
conventions by using `-fasynchronous-unwind-tables`...


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D150490/new/

https://reviews.llvm.org/D150490

_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

Reply via email to