[PATCH] D41931: [CodeView] Fix the type for a variadic argument

[Aaron Smith via Phabricator via llvm-commits]

asmith created this revision.
asmith added reviewers: zturner, llvm-commits.

- MSVC uses the none type for a variadic argument in CodeView
- Implement a method to determine if a functiontype is variadic
- Add a unit test


Repository:
  rL LLVM

https://reviews.llvm.org/D41931

Files:
  lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
  test/DebugInfo/COFF/types-cvarargs.ll

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