| // RUN: %empty-directory(%t) | |
| // RUN: %target-build-swift -O -g -module-name foo %s -emit-tbd-path %t/run-1.tbd -force-single-frontend-invocation | |
| // RUN: %target-build-swift -O -g -module-name foo %s -emit-tbd-path %t/run-2.tbd -force-single-frontend-invocation | |
| // RUN: diff -u %t/run-1.tbd %t/run-2.tbd | |
| print("foo") |