[dmd-internals] [D-Programming-Language/dmd] e959b8: revert pull 724

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/dmd
  Commit: e959b8462f554c095de121e95304f36f489f686d
      https://github.com/D-Programming-Language/dmd/commit/e959b8462f554c095de121e95304f36f489f686d
  Author: Walter Bright <walter at walterbright.com>
  Date:   2012-02-17 (Fri, 17 Feb 2012)

  Changed paths:
    M src/constfold.c
  M src/e2ir.c
  M src/expression.c
  M test/runnable/xtest46.d

  Log Message:
  -----------
  revert pull 724