foo.c:1:1: warning: data definition has no type or storage class
    1 | ghu,lil.
      | ^~~
foo.c:1:1: warning: type defaults to 'int' in declaration of 'ghu' [-Wimplicit-int]
foo.c:1:8: error: expected '=', ',', ';', 'asm' or '__attribute__' before '.' token
    1 | ghu,lil.
      |        ^

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