validate_msgs
validate_msgs(cases[i].log, &msgs, dummy_emit);
validate_msgs(tester->log_buf, &subspec->expect_msgs, emit_verifier_log);
validate_msgs(tester->log_buf, &subspec->expect_xlated, emit_xlated);
validate_msgs(tester->log_buf, &subspec->jited, emit_jited);
validate_msgs(tester->log_buf, &subspec->stderr, emit_stderr);
validate_msgs(tester->log_buf, &subspec->stdout, emit_stdout);
void validate_msgs(const char *log_buf, struct expected_msgs *msgs,