[llvm] [SHT_LLVM_BB_ADDR_MAP] Remove support for versions 1 and 0 (SHT_LLVM_BB_ADDR_MAP_V0). (PR #146186)

[James Henderson via llvm-commits]

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@@ -273,6 +273,7 @@ Changes to the LLVM tools
 * In llvm-objcopy/llvm-strip's ELF port, `--discard-locals` and `--discard-all` now allow and preserve symbols referenced by relocations.
   ([#47468](https://github.com/llvm/llvm-project/issues/47468))
 * llvm-addr2line now supports a `+` prefix when specifying an address.
+* Support for `SHT_LLVM_BB_ADDR_MAP` versions 1 and lower is dropped.
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jh7370 wrote:

```suggestion
* Support for `SHT_LLVM_BB_ADDR_MAP` versions 1 and lower has been dropped.
```
I'd probably also be explicit and simply say "versions 0 and 1".

https://github.com/llvm/llvm-project/pull/146186