[PATCH] D31496: Make -defsym a driver option

[Salman Arif via Phabricator via cfe-commits]

salari01 created this revision.

Extended the integrated assembler -Wa,-defsym option to be usable with the Clang driver. Both options are    handled in the same way. Using -defsym when not assembling files shows an unused argument warning.


https://reviews.llvm.org/D31496

Files:
  include/clang/Driver/CC1Options.td
  include/clang/Driver/Options.td
  lib/Driver/ToolChains/Clang.cpp
  lib/Frontend/CompilerInvocation.cpp
  test/Driver/defsym.c
  test/Driver/defsym.s

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