Snippets for gperf 3.3 from FreeBSD 150arm64

Sourced from https://pkg-status.freebsd.org/ampere5/data/latest-per-pkg/gperf/3.3/150arm64-default.log.

./output.cc:327:45: warning: operator '?:' has lower precedence than '|'; '|' will be evaluated first [-Wbitwise-conditional-parentheses]
  327 |           option[ANSIC] | option[CPLUSPLUS] ?
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^

./output.cc:329:11: warning: format string is empty [-Wformat-zero-length]
  329 |           "",
      |           ^~

./output.cc:380:45: warning: operator '?:' has lower precedence than '|'; '|' will be evaluated first [-Wbitwise-conditional-parentheses]
  380 |           option[ANSIC] | option[CPLUSPLUS] ?
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^

./output.cc:382:11: warning: format string is empty [-Wformat-zero-length]
  382 |           "",
      |           ^~

./output.cc:441:45: warning: operator '?:' has lower precedence than '|'; '|' will be evaluated first [-Wbitwise-conditional-parentheses]
  441 |           option[ANSIC] | option[CPLUSPLUS] ?
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^

./output.cc:443:11: warning: format string is empty [-Wformat-zero-length]
  443 |           "",
      |           ^~

./output.cc:848:45: warning: operator '?:' has lower precedence than '|'; '|' will be evaluated first [-Wbitwise-conditional-parentheses]
  848 |           option[ANSIC] | option[CPLUSPLUS] ?
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^

./output.cc:850:11: warning: format string is empty [-Wformat-zero-length]
  850 |           "",
      |           ^~

./output.cc:2067:45: warning: operator '?:' has lower precedence than '|'; '|' will be evaluated first [-Wbitwise-conditional-parentheses]
 2067 |           option[ANSIC] | option[CPLUSPLUS] ?
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^

./output.cc:2069:11: warning: format string is empty [-Wformat-zero-length]
 2069 |           "",
      |           ^~