bitter_fox@bitterfox-MacBookPro% ~/bin/jdk-10/bin/jshell -J-Duser.language=en
| Welcome to JShell -- Version 10
| For an introduction type: /help intro

jshell> <Z extends Runnable & CharSequence> Z get1() { return null; }
| created method get1()

jshell> var z = get1()
z ==> null

jshell> z.run()
| java.lang.NoSuchFieldError thrown: z
| at (#3:1)

jshell> void m() {z.run();}
| created method m()

jshell> m()
| java.lang.NoSuchFieldError thrown: z
| at m (#4:1)
| at (#5:1)

jshell>

Examples above are based on VariablesTest#lvti, but the testing is not completeness.