if cond == "" {
		return true
	}
	bits, ok := parseARM64Suffix(cond)
	if !ok {
		return false
	}
	prog.Scond = bits
	return true
}

// parseARM64Suffix parses the suffix attached to an ARM64 instruction.
// The input is a single string consisting of period-separated condition
// codes, such as ".P.W". An initial period is ignored.
func parseARM64Suffix(cond string) (uint8, bool) {
	if cond == "" {

	if err != nil {
		c.Fatalf("policy list err: %v", err)
	}
	_, ok := ps[policy]
	if !ok {
		c.Fatalf("policy was missing!")
	}

	// 5. Check that policy cannot be deleted when attached to a user.
	err = s.adm.RemoveCannedPolicy(ctx, policy)
	if err == nil {
		c.Fatalf("policy could be unexpectedly deleted!")
	}

	// 6. Delete the user and then delete the policy.

func sourceLine(n ast.Node) int {
	return fset.Position(n.Pos()).Line
}

// ParseGo populates f with information learned from the Go source code
// which was read from the named file. It gathers the C preamble
// attached to the import "C" comment, a list of references to C.xxx,
// a list of exported functions, and the actual AST, to be rewritten and
// printed.
func (f *File) ParseGo(abspath string, src []byte) {