Add load_restrictor flag.

pkg/loader/loadrestrictions_string.go

@@ -0,0 +1,25 @@
+// Code generated by "stringer -type=loadRestrictions"; DO NOT EDIT.
+
+package loader
+
+import "strconv"
+
+func _() {
+	// An "invalid array index" compiler error signifies that the constant values have changed.
+	// Re-run the stringer command to generate them again.
+	var x [1]struct{}
+	_ = x[unknown-0]
+	_ = x[rootOnly-1]
+	_ = x[none-2]
+}
+
+const _loadRestrictions_name = "unknownrootOnlynone"
+
+var _loadRestrictions_index = [...]uint8{0, 7, 15, 19}
+
+func (i loadRestrictions) String() string {
+	if i < 0 || i >= loadRestrictions(len(_loadRestrictions_index)-1) {
+		return "loadRestrictions(" + strconv.FormatInt(int64(i), 10) + ")"
+	}
+	return _loadRestrictions_name[_loadRestrictions_index[i]:_loadRestrictions_index[i+1]]
+}