January 28, 2016
  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/dmd
  Commit: 8176fd7cf3d53dbf4fb99d0d23d3f0ffdddff6f3
      https://github.com/D-Programming-Language/dmd/commit/8176fd7cf3d53dbf4fb99d0d23d3f0ffdddff6f3
  Author: Walter Bright <walter@walterbright.com>
  Date:   2016-01-27 (Wed, 27 Jan 2016)

  Changed paths:
    M src/backend/cdef.h
    M src/backend/token.h

  Log Message:
  -----------
  remove HIDDENPARAM_1ST_ARG and others


  Commit: da49435dede3b5e08ee41ebad12311f0b49cf951
      https://github.com/D-Programming-Language/dmd/commit/da49435dede3b5e08ee41ebad12311f0b49cf951
  Author: Daniel Murphy <yebblies@gmail.com>
  Date:   2016-01-29 (Fri, 29 Jan 2016)

  Changed paths:
    M src/backend/cdef.h
    M src/backend/token.h

  Log Message:
  -----------
  Merge pull request #5369 from WalterBright/HIDDEN

remove HIDDENPARAM_1ST_ARG and others


Compare: https://github.com/D-Programming-Language/dmd/compare/cfc9a728c2de...da49435dede3