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entity ent is
end entity;
architecture a of ent is
begin
main : process is
type enum_t is (value1, value2);
variable var : enum_t;
begin
var := enum_t'rightof(value2); -- CONSTRAINT_ERROR
var := enum_t'rightof(value1); -- Works
var := enum_t'leftof(value1); -- Works
var := enum_t'leftof(value2); -- Works
var := enum_t'rightof(var); -- cannot handle IIR_KIND_RIGHTOF_ATTRIBUTE
var := enum_t'leftof(var); -- cannot handle IIR_KIND_LEFTOF_ATTRIBUTE
wait;
end process;
end architecture;
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