}
		directives = append(directives, directive)
		offset += i + j
	}
	return directives
}

// Makes sure that `cover -func=profile.cov` reports accurate coverage.
// Issue #20515.
func TestCoverFunc(t *testing.T) {
	testenv.MustHaveExec(t)

	// testcover -func ./testdata/profile.cov
	coverProfile := filepath.Join(testdata, "profile.cov")
	cmd := testenv.Command(t, testcover(t), "-func", coverProfile)