| // RUN: %empty-directory(%t) |
| // RUN: %{python} %utils/split_file.py -o %t %s |
| // RUN: %target-swift-frontend -parse -primary-file %t/swift3.swift -verify -swift-version 3 |
| // RUN: %target-swift-frontend -parse -primary-file %t/swift4.swift -verify -swift-version 4 |
| |
| // 'throws' or 'rethrows' are allowed as an identifier in Swift 3. |
| |
| // BEGIN swift3.swift |
| class C<throws> {} |
| precedencegroup rethrows {} |
| |
| // BEGIN swift4.swift |
| class C<throws> {} // expected-error {{expected an identifier to name generic parameter}} |
| precedencegroup rethrows {} // expected-error {{expected identifier after 'precedencegroup'}} |
