[phobos] [D-Programming-Language/phobos] f8bde7: fixed issue 15772

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: f8bde7f8904b3bb47a93e23c48c98da3f407dd67
      https://github.com/D-Programming-Language/phobos/commit/f8bde7f8904b3bb47a93e23c48c98da3f407dd67
  Author: Basile Burg <basile.b at gmx.com>
  Date:   2016-03-14 (Mon, 14 Mar 2016)

  Changed paths:
    M std/conv.d

  Log Message:
  -----------
  fixed issue 15772


  Commit: 8221ff729a1a5a9aa55cd359f9216c29122adc84
      https://github.com/D-Programming-Language/phobos/commit/8221ff729a1a5a9aa55cd359f9216c29122adc84
  Author: Hara Kenji <k.hara.pg+dev at gmail.com>
  Date:   2016-03-14 (Mon, 14 Mar 2016)

  Changed paths:
    M std/conv.d

  Log Message:
  -----------
  Merge pull request #4057 from BBasile/issue-15772

fixed issue 15772 - emplace works with abstract classes but it shouldn't


Compare: https://github.com/D-Programming-Language/phobos/compare/19ccbcf4935d...8221ff729a1a