Stefan Gränitz ef006eb0bc [CodeView] Add source languages ObjC and ObjC++
This patch adds llvm::codeview::SourceLanguage entries, DWARF translations, and PDB source file extensions in LLVM and allow LLDB's PDB parsers to recognize them correctly.

The CV_CFL_LANG enum in the Visual Studio 2022 documentation https://learn.microsoft.com/en-us/visualstudio/debugger/debug-interface-access/cv-cfl-lang defines:
```
    CV_CFL_OBJC     = 0x11,
    CV_CFL_OBJCXX   = 0x12,
```

Since the initial commit in D24317, ObjC was emitted as C language and ObjC++ as Masm.

Reviewed By: DavidSpickett

Differential Revision: https://reviews.llvm.org/D146221
2023-03-17 17:09:31 +01:00
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