DavidSpickett wrote:

On the subject of `TestUniqueTypes4.py`, the program on Windows contains no 
symbol data, but on Linux I see:
```
[   78]    111     Data            0x0000000000011038                    
0x0000000000000008 0x00000021 ns::Foo<double>::value
```
Which I think is the key here.

The puzzling thing is that despite compiling with `-gdwarf` there is a PDB file 
produced. `llvm-dwarfdump` on the program file seems to show enough information 
for the lookup to succeed but lldb doesn't use it? Perhaps because it's 
thinking there is a pdb file or it's being told that the pdb file is in fact 
dwarf?

Basically, I'm not sure why a pdb file is generated at all here. So that may be 
*one* of the issues, because it doesn't explain why it worked previously.

Unless previously the lookup of `ns::FooDouble::value` did not require that 
there be a symbol present, but I don't see how else it would have found it.

https://github.com/llvm/llvm-project/pull/75566
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