Re: major 4.3.2 debugging regression
Re: major 4.3.2 debugging regression
- Subject: Re: major 4.3.2 debugging regression
- From: Chris Lattner <email@hidden>
- Date: Thu, 22 Mar 2012 14:48:15 -0700
On Mar 22, 2012, at 1:51 PM, Andreas Grosam wrote:
>
> On Mar 22, 2012, at 8:12 PM, Sean McBride wrote:
>
>> On Thu, 22 Mar 2012 11:16:32 -0700, Chris Lattner said:
>> Additional investigation shows the culprit to be LTO.
>
> You are building Objective-C with LTO?
>
> Haven't had ever success, rather obscure linker errors, linker warnings and other errors possibly aborting the tools.
>
> If the build was successful, the app crashed at runtime (in an attempt to invoke a method defined in a category whose code hasn't made it into the final binary).
>
> BTW: what's the state of LTO?
LTO has known bugs with Objective-C code. We're working on it, but I would advise that you only use it for C or C++ code at this point.
-Chris
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