All of the modified files were pulling in `BLI_math_vector.h` via `BLI_multires.hh` and subsequently `multires_inline.hh` Pull Request: https://projects.blender.org/blender/blender/pulls/140441
All of the modified files were pulling in `BLI_math_vector.h` via `BLI_multires.hh` and subsequently `multires_inline.hh` Pull Request: https://projects.blender.org/blender/blender/pulls/140441