[PATCH] D96641: [XCOFF] [NFC] make StorageMappingClass/SymbolType member optional in MCSectionXCOFF class

[ChenZheng via Phabricator via llvm-commits]

shchenz created this revision.
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This is a follow-up of D95931 <https://reviews.llvm.org/D95931>. In that patch, we made the **constructor function** of  `MCSectionXCOFF` has optional parameters for `StorageMappingClass` and `SymbolType`.

This patch makes the private class members `MappingClass` and `Type` and their associated `get` functions optional. Non-csect sections like debug sections have no such properties.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D96641

Files:
  llvm/include/llvm/MC/MCSectionXCOFF.h
  llvm/lib/MC/MCSectionXCOFF.cpp
  llvm/lib/MC/XCOFFObjectWriter.cpp

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