June 25, 2011
  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/dmd

  Commit: 84b4fd1d976153ccf4694200a6cbb96dc9ffe0f0
      https://github.com/D-Programming-Language/dmd/commit/84b4fd1d976153ccf4694200a6cbb96dc9ffe0f0
  Author: Walter Bright <walter at walterbright.com>
  Date:   2011-06-25 (Sat, 25 Jun 2011)

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

  Log Message:
  -----------
  tighten purity checks