[PATCH] D56392: [LLD][COFF] Support /ignore:4099. Support /ignore with comma-separated arguments.

[Alexandre Ganea via Phabricator via llvm-commits]

aganea created this revision.
aganea added reviewers: rnk, inglorion, thakis.
Herald added a subscriber: aprantl.

Ditto.

`/ignore:4099` <https://docs.microsoft.com/en-us/previous-versions/b7whw3f3(v=vs.140)> corresponds to "PDB 'filename' was not found with 'object/library' or at 'path'; linking object as if no debug info".

Without `/ignore:4099`, we can't enable `/WX` (treat warnings as errors).

Also, providing multiple arguments such as `/ignore:4037,4049,4065,4098,4099,4217,4221` now works.


Repository:
  rLLD LLVM Linker

https://reviews.llvm.org/D56392

Files:
  COFF/Config.h
  COFF/Driver.cpp
  COFF/PDB.cpp
  test/COFF/ignore-many.yaml
  test/COFF/pdb-type-server-missing.yaml

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