[all-commits] [llvm/llvm-project] c5fb05: Reland: Make lld-link work in a non-MSVC shell, ad...

[pkasting via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c5fb05f663f2ac0cbedb318d03b91d44900ab9de
      https://github.com/llvm/llvm-project/commit/c5fb05f663f2ac0cbedb318d03b91d44900ab9de
  Author: Peter Kasting <pkasting at chromium.org>
  Date:   2022-02-16 (Wed, 16 Feb 2022)

  Changed paths:
    M clang/docs/tools/clang-formatted-files.txt
    M clang/lib/Driver/CMakeLists.txt
    M clang/lib/Driver/ToolChains/MSVC.cpp
    M clang/lib/Driver/ToolChains/MSVC.h
    R clang/lib/Driver/ToolChains/MSVCSetupApi.h
    M lld/COFF/CMakeLists.txt
    M lld/COFF/Driver.cpp
    M lld/COFF/Driver.h
    M lld/COFF/Options.td
    M lld/COFF/SymbolTable.cpp
    M lld/docs/ReleaseNotes.rst
    A lld/test/COFF/winsysroot.test
    A llvm/include/llvm/WindowsDriver/MSVCPaths.h
    A llvm/include/llvm/WindowsDriver/MSVCSetupApi.h
    M llvm/lib/CMakeLists.txt
    A llvm/lib/WindowsDriver/CMakeLists.txt
    A llvm/lib/WindowsDriver/MSVCPaths.cpp
    M llvm/utils/gn/secondary/clang/lib/Driver/BUILD.gn
    M llvm/utils/gn/secondary/lld/COFF/BUILD.gn
    A llvm/utils/gn/secondary/llvm/lib/WindowsDriver/BUILD.gn

  Log Message:
  -----------
  Reland: Make lld-link work in a non-MSVC shell, add /winsysroot:

This relands 73e585e44d (and 0574b5fc657451), with a fix for
the failing test (by using Optional<StringRef>s instead of
making StringRef::empty() mean absence of value).

Differential Revision: https://reviews.llvm.org/D118070