reflect: uncomment another test and fix RO logic issues it uncovered

src/reflect/all_test.go

@@ -7659,8 +7659,6 @@ func TestAliasNames(t *testing.T) {
 	}
 }
 
-/*
-
 func TestIssue22031(t *testing.T) {
 	type s []struct{ C int }
 
@@ -7679,6 +7677,8 @@ func TestIssue22031(t *testing.T) {
 	}
 }
 
+/*
+
 type NonExportedFirst int
 
 func (i NonExportedFirst) ΦExported()       {}