test/Driver/wextra-ok.f90 - llvm-project/flang - Git at Google

 ! Ensure that supplying -Wextra into flang does not raise error
 ! The first check should be changed if -Wextra is implemented

 ! RUN: %flang -std=f2018 -Wextra %s -c 2>&1 | FileCheck %s --check-prefix=CHECK-OK
 ! RUN: not %flang -std=f2018 -Wblah -Wextra %s -c 2>&1 | FileCheck %s --check-prefix=WRONG

 ! CHECK-OK: the warning option '-Wextra' is not supported
 ! WRONG: Unknown diagnostic option: -Wblah

 program wextra_ok
 end program wextra_ok
	! Ensure that supplying -Wextra into flang does not raise error
	! The first check should be changed if -Wextra is implemented

	! RUN: %flang -std=f2018 -Wextra %s -c 2>&1 \| FileCheck %s --check-prefix=CHECK-OK
	! RUN: not %flang -std=f2018 -Wblah -Wextra %s -c 2>&1 \| FileCheck %s --check-prefix=WRONG

	! CHECK-OK: the warning option '-Wextra' is not supported
	! WRONG: Unknown diagnostic option: -Wblah

	program wextra_ok
	end program wextra_ok