[all-commits] [llvm/llvm-project] eddd94: Reland "[clang][debug] port clang-cl /JMC flag to ...

[Yuanfang Chen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: eddd94c27df609113af1d1b795d8483aa6dd662c
      https://github.com/llvm/llvm-project/commit/eddd94c27df609113af1d1b795d8483aa6dd662c
  Author: Yuanfang Chen <yuanfang.chen at sony.com>
  Date:   2022-03-07 (Mon, 07 Mar 2022)

  Changed paths:
    M clang/include/clang/Basic/DiagnosticDriverKinds.td
    M clang/include/clang/Driver/Options.td
    M clang/lib/Driver/ToolChains/Clang.cpp
    M clang/test/Driver/cl-options.c
    M clang/test/Driver/clang_f_opts.c
    M llvm/lib/CodeGen/JMCInstrumenter.cpp
    A llvm/test/Instrumentation/JustMyCode/jmc-instrument-elf.ll
    M llvm/test/Instrumentation/JustMyCode/jmc-instrument-x86.ll
    M llvm/test/Instrumentation/JustMyCode/jmc-instrument.ll

  Log Message:
  -----------
  Reland "[clang][debug] port clang-cl /JMC flag to ELF"

This relands commit 731347431976509823e38329a96fcbc69fe98cd2.

It failed on Windows/Mac because `-fjmc` is only checked for ELF targets.
Check the flag unconditionally instead and issue a warning for non-ELF targets.