ref: 9843290d44b6266758c478838d57a9478af39aa3
dir: /lib/std/test/sjlj.myr/
use std var st const main = { var jb st = 1 if std.setjmp(&jb) std.put("nonlocal return\n") std.exit(st) ;; st = 0 std.put("doing jmp\n") dolongjmp(&jb) std.fatal("unreachable\n") } const dolongjmp = {jb std.longjmp(jb) }