[llvm] r174445 - Dwarf: support for LTO where a single object file can have multiple line tables

[David Blaikie]

On Tue, Feb 12, 2013 at 11:14 AM, Eric Christopher <echristo at gmail.com> wrote:
>
>
>
> On Tue, Feb 12, 2013 at 11:10 AM, Krzysztof Parzyszek
> <kparzysz at codeaurora.org> wrote:
>>
>> On 2/12/2013 12:51 PM, David Blaikie wrote:
>>>
>>>
>>> 174479 & 174785 should've addressed these. Are you still seeing the
>>> issue?
>>
>>
>> I can reproduce it this way (on a x86_64 Linux box):
>>
>> $ /path/to/bld/Release+Asserts/bin/llc stmt-list-multiple-compile-units.ll
>> $ as stmt-list-multiple-compile-units.s -o x.o
>> $ nm x.o | grep line_table
>>                  U .Lline_table_start1
>>
>>
>> This is with a very fresh LLVM (from today).
>>
>
> This is the same thing we mentioned with dragonegg I think?

I didn't hit this with DragonEgg after r174785 I don't think. My
simple repro passed & DragonEgg against the GDB test suite seemed to
go back to its pre-174445 results.

Not sure any of those produce the multiple compile-unit situation.

- David