tree 78f311ffe161c824c1d6f7cd92e74a5d218b1ee8
parent f66c5bb67b9a1016b51d2eff0f497d4528dacc0a
author Michael Ilseman <milseman@apple.com> 1454111623 -0800
committer Michael Ilseman <milseman@apple.com> 1454521319 -0800

Introduce ns_error_domain attribute.

ns_error_domain can be used by, e.g. NS_ERROR_ENUM, in order to
identify a global declaration representing the domain constant.

Introduces the attribute, Sema handling, diagnostics, and test case.