| // RUN: %empty-directory(%t) |
| // RUN: echo 'print("Hello, World!")' >%t/main.swift |
| // RUN: touch %t/bridgingHeader.h |
| // |
| // Make sure the proper warning is emitted: |
| // |
| // RUN: %swiftc_driver -enable-batch-mode -num-threads 2 %t/main.swift -import-objc-header %t/bridgingHeader.h -### 2>&1 | %FileCheck %s |
| // |
| // CHECK: ignoring -num-threads argument; cannot multithread batch mode |
| // |
| // Make sure that it actually works. (The link step fails if -num-threads is not ignored.) |
| // |
| // RUN: %swiftc_driver -enable-batch-mode -num-threads 2 -c %t/main.swift -import-objc-header %t/bridgingHeader.h -o %t/main.o |
