[PATCH] D37279: [codeview] make DbgVariableLocation::extractFromMachineInstruction use Expected

[Bob Haarman via Phabricator via llvm-commits]

inglorion created this revision.
Herald added a subscriber: hiraditya.

DbgVariableLocation::extractFromMachineInstruction originally
returned a boolean indicating success. This change makes it return
an Expected<DbgVariableLocation> so we cannot try to access the fields
of the struct if they aren't valid.


https://reviews.llvm.org/D37279

Files:
  llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
  llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase.cpp
  llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase.h

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