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Rename /P to /Po and match cl.exe /P behavior #4611

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@llvm-beanz

DXC's /P flag doesn't match the behavior of cl.exe, which many other DXC flags do. Perhaps we can rename /P to /Po to preserve the existing behavior and make /P behave as cl.exe.

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  1. damyanp commented on Jul 25, 2024

    @damyanp
    Member

    This is worth doing to further align dxc with clang-dxc.

  2. added a commit that references this issue on Feb 18, 2026
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  3. added a commit that references this issue on Mar 11, 2026
    533d6e2
  4. added a commit that references this issue on Mar 13, 2026
    054e0f5
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