[PATCH] D158739: AIX: Issue an error when specifying an alias for a common symbol

[Stephen Peckham via Phabricator via cfe-commits]

stephenpeckham created this revision.
stephenpeckham added reviewers: hubert.reinterpretcast, DiggerLin, jhenderson.
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There is no support in XCOFF for labels on common symbols.  Therefore, an alias for a common symbol is not supported.  Issue an error in the front end when an aliasee is a common symbol.  Issue a similar error in the back end in case an IR specifies an alias for a common symbol.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D158739

Files:
  clang/include/clang/Basic/DiagnosticFrontendKinds.td
  clang/lib/CodeGen/CodeGenModule.cpp
  clang/test/CodeGen/aix-common.c
  llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
  llvm/test/CodeGen/PowerPC/aix-common.ll

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