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

[Kal Conley]

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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