[clang] [llvm] [clang][DebugInfo] Add symbol for debugger with VTable information. (PR #130255)

[Carlos Alberto Enciso via llvm-commits]

CarlosAlbertoEnciso wrote:

> The DWARF currently provides access to the vtable location for /instances/ of the class, so curious what the distinction/need is for doing this from the class, without instances?
> 

The need to be done for the class is to give the debugger extra information about the vtables during the debug information loading before any code is executed. We are using it to construct a map of `vtable pointer` => `Class definition` to enable the type promotion.


https://github.com/llvm/llvm-project/pull/130255