January 29, 2012
  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/dmd
  Commit: 7f33ed71d8897ec0d03828c41063213af0283d02
      https://github.com/D-Programming-Language/dmd/commit/7f33ed71d8897ec0d03828c41063213af0283d02
  Author: Walter Bright <walter at walterbright.com>
  Date:   2012-01-29 (Sun, 29 Jan 2012)

  Changed paths:
    M src/expression.c
  M src/expression.h
  M src/mtype.c
  M test/runnable/test42.d
  M test/runnable/xtest46.d

  Log Message:
  -----------
  Merge pull request #164 from 9rnsr/fix4539

Retry to fix issue 4539 - Refuse assignment to string literal