This patch looks reasonable to me, but I don't know enough about LLDB
to actually review it.

+Renato or Pavel maybe?

On Thu, Jan 14, 2016 at 11:32 AM, William Dillon via lldb-dev
<lldb-dev@lists.llvm.org> wrote:
> Hi again, everyone
>
> I’d like to ping on this patch now that the 3.8 branch is fairly new, and 
> merging it over is fairly straight-forward.
>
> Thanks in advance for your comments!
> - Will
>
>> There is a small change that enables correct calculation of arm sub 
>> architectures while using the REPL on arm-linux.  As you may of may or may 
>> not know, linux appends ‘l’ to arm architecture versions to denote little 
>> endian.  This sometimes interferes with the determination of the 
>> architecture in the triple.  I experimented with adding sub architecture 
>> entries for these within lldb, but I discovered a simpler (and less 
>> invasive) method.  Because LLVM already knows how to handle some of these 
>> cases (I have a patch submitted for review that enables v6l; v7l already 
>> works), I am relying on llvm to clean it up.  The gist of it is that the 
>> llvm constructor (when given a triple string) retains the provided string 
>> unless an accessor mutates it.  Meanwhile, the accessors for the components 
>> go through the aliasing and parsing logic.  This code detects whether the 
>> sub-architecture that armv6l or armv7l aliases to is detected, and re-sets 
>> the architecture in the triple.  This overwrites the architecture that comes 
>> from linux, thus sanitizing it.
>>
>> Some kind of solution is required for the REPL to work on arm-linux.  
>> Without it, the REPL crashes.
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