[PATCH] D153463: [HeterogeneousDWARF] Drop DW_AT_active_lane encoding and DW_AT_augmentation

[Scott Linder via Phabricator via llvm-commits]

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A collision means we need to update the DW_AT_active_lane and
DW_AT_augmentation encodings.

The DWARF committee has expressed concern about the augmentation
attribute, so we remove it entirely.

The DW_AT_active_lane has not been produced by the compiler yet, so we
move its encoding to TBA.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D153463

Files:
  llvm/docs/AMDGPUDwarfExtensionsForHeterogeneousDebugging.rst
  llvm/docs/AMDGPUUsage.rst

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