foo.cc: In function 'int main()':
foo.cc:23:12: error: expected primary-expression before ',' token
   23 |     a = gi(, b = gi();
      |            ^
foo.cc:23:22: error: expected ')' before ';' token
   23 |     a = gi(, b = gi();
      |           ~          ^
      |                      )

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