Update the preprocessor regression tests to use the new driver if the new driver is built (FLANG_BUILD_NEW_DRIVER=On), otherwise the tests will still run using f18. Summary of changes: - Introduce %flang to the regression tests, which points to the new driver if it is built or otherwise points to f18 - Update all tests in flang/test/Preprocessing/ to use %flang Differential Revision: https://reviews.llvm.org/D94805
513 B
513 B