[PATCH] D103131: support debug info for alias variable

[David Blaikie via Phabricator via cfe-commits]

dblaikie added a comment.

In D103131#2835981 <https://reviews.llvm.org/D103131#2835981>, @kamleshbhalui wrote:

> In D103131#2835909 <https://reviews.llvm.org/D103131#2835909>, @dblaikie wrote:
>
>> In D103131#2835702 <https://reviews.llvm.org/D103131#2835702>, @kamleshbhalui wrote:
>>
>>> Here is what we get when we replace int with float.
>>>
>>>   $lldb-11 ./a.out 
>>>   (lldb) target create "./a.out"
>>>   Current executable set to '/folk/kkumar/tcllvm/llvm-build-lldb-rel/bin/a.out' (x86_64).
>>>   (lldb) b main
>>>   Breakpoint 1: where = a.out`main + 4 at test.c:3:12, address = 0x0000000000400484
>>>   (lldb) p oldname
>>>   (float) $0 = 1
>>>   (lldb) p newname
>>>   (void *) $1 = 0x000000003f800000
>>
>> Yep, looks like it's ignoring the imported declaration in favor of the raw symbol table entry.
>>
>> How's lldb handle GCC-style debug info (the variable declaration, without any imported declaration) for the alias?
>
> lldb's behavior is same even with GCC -style debug info.

Hmm, good to know/unfortunate. Guess it'll need some work.


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https://reviews.llvm.org/D103131