Looks like this test was testing the functionality that you changed. It it 
expecting that a type won't be complete until you ask for more info about it 
(like asking about a child). Since PDB is not completing the type up front, we 
need to change LLDB or make your previous case work even when handing out a 
forward type.

So the question is: do we expect types to be able to complete themselves on the 
fly anywhere? I believe we should be able to hand out a type as a forward 
declaration and have it complete itself at any point when it is needed. I know 
classes already do this when they need to know more. Maybe the AST doesn't 
treat enums like classes where it will complete the type through the external 
AST class.

The correct fix is to probably call 

bool CompilerType::GetCompleteType() const;

Before you need to access the enumerators in an enumeration.



> On Nov 8, 2018, at 1:17 PM, Zachary Turner via lldb-commits 
> <lldb-commits@lists.llvm.org> wrote:
> 
> +greg.
> 
> Greg, is the test wrong here or the patch?  If it’s the test let’s just fix 
> the test, otherwise we can revert the patch until we figure it out.
> 
> It seems related to my change to use the layout type instead of the forward 
> type.
> 
> On Thu, Nov 8, 2018 at 1:03 PM Davide Italiano <dccitali...@gmail.com 
> <mailto:dccitali...@gmail.com>> wrote:
> On Thu, Nov 8, 2018 at 12:59 PM Zachary Turner <ztur...@google.com 
> <mailto:ztur...@google.com>> wrote:
> >
> > I’m ooo for at least 2 hours. Is it a test failure or a compilation failure?
> 
> 
> FAIL: test_with_run_command_gmodules 
> (TestTypeCompletion.TypeCompletionTestCase)
> 
>    Check that types only get completed when necessary.
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>   File 
> "/Users/davide/work/llvm-project-20170507/lldb/packages/Python/lldbsuite/test/lldbtest.py",
> line 1744, in test_method
>     return attrvalue(self)
>   File 
> "/Users/davide/work/llvm-project-20170507/lldb/packages/Python/lldbsuite/test/decorators.py",
> line 113, in wrapper
>     func(*args, **kwargs)
>   File 
> "/Users/davide/work/llvm-project-20170507/lldb/packages/Python/lldbsuite/test/functionalities/type_completion/TestTypeCompletion.py",
> line 55, in test_with_run_command 'vector<T> complete but it should
> not be')
> AssertionError: True is not False : vector<T> complete but it should not be
> 
> 
> Do you want me to revert this in the meanwhile?
> 
> --Davide
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