syntax error in parse.y

[wim delvaux]

My bison (1.85) reports that gcc/jave/parse.y contains duplicate type 
declarations for some nodes

./parse.y:493.10-15: type redeclaration for interface_type_list
./parse.y:502.10-15: type redeclaration for class_member_declaration
./parse.y:515.10-15: type redeclaration for unary_expression_not_plus_minus

Indeed, these entries are double ...