[cfe-dev] clang -g -fsanitize=address produces broken debug info?

[Eric Christopher]

Do you have an example? A random testcase didn't have anything emitted.

-eric

On Mon, Aug 12, 2013 at 1:22 PM, Kal Conley <kcconley at gmail.com> wrote:
> When I compile with -fsanitize=address the resulting binary contains a
> .debug_aranges section on Linux. However it is incomplete and it trips
> up lldb.
> -Kal
>
> Am 8/12/13 8:11 PM, schrieb Eric Christopher:
>> Exactly, we don't produce it at the moment. It's on the list mind you, but ...
>>
>> -eric
>>
>> On Mon, Aug 12, 2013 at 11:02 AM, Robinson, Paul
>> <Paul_Robinson at playstation.sony.com> wrote:
>>> Clang can produce .debug_aranges?  Somebody asked me about this recently,
>>> and I couldn’t get clang to produce a non-empty section, unless I was
>>> compiling an assembler source.
>>>
>>> --paulr
>>>
>>>
>>>
>>> From: cfe-dev-bounces at cs.uiuc.edu [mailto:cfe-dev-bounces at cs.uiuc.edu] On
>>> Behalf Of David Blaikie
>>> Sent: Monday, August 12, 2013 10:13 AM
>>> To: Kal Conley
>>> Cc: cfe-dev Developers
>>> Subject: Re: [cfe-dev] clang -g -fsanitize=address produces broken debug
>>> info?
>>>
>>>
>>>
>>>
>>> On Aug 12, 2013 9:55 AM, "Kal Conley" <kcconley at gmail.com> wrote:
>>>> Hi,
>>>> DWARF info produced with "clang -g -fsanitize=address" doesn't have a
>>>> complete .debug_aranges section. LLDB relies on .debug_aranges if it is
>>>> present, thus LLDB fails to load any debug info for clang binaries built
>>>> with -fsanitize=address. The LLDB folks believe this is a clang bug. Can
>>>> someone from the clang side look into this?
>>> Can you describe in what way it is broken? Do you have a reduced test case?
>>>
>>>> Thanks,
>>>> -Kal
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>