[dmd-internals] [D-Programming-Language/dmd] 8399e2: Merge pull request #5330 from WalterBright/fix1538...

[GitHub via dmd-internals]

  Branch: refs/heads/stable
  Home:   https://github.com/D-Programming-Language/dmd
  Commit: 8399e29190a31746f695ae517cc28ec29806ae8a
      https://github.com/D-Programming-Language/dmd/commit/8399e29190a31746f695ae517cc28ec29806ae8a
  Author: Daniel Murphy <yebblies at gmail.com>
  Date:   2016-01-06 (Wed, 06 Jan 2016)

  Changed paths:
    M src/nspace.d
    A test/compilable/test15389_x.d
    A test/compilable/test15389_y.d

  Log Message:
  -----------
  Merge pull request #5330 from WalterBright/fix15389

fix Issue 15389 - extern(C++) forward referencing problem