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entity bug is
port (
clk : in bit
);
end bug;
architecture struct of bug is
type a_t is record
value : bit_vector;
end record;
type a_array_t is array(natural range<>) of a_t;
type b_t is record
a : a_array_t;
end record;
type b_array_t is array(natural range<>) of b_t;
type table_t is array (natural range<>, natural range<>) of a_t;
function make_b return b_array_t is
variable ret : b_array_t(0 to 0)(a(0 to 31)(value(31 downto 0)));
begin
return ret;
end function;
function calculate_b return b_array_t
is
variable empty : b_array_t(0 to -1)(a(0 to 31)(value(31 downto 0)));
begin
return empty & make_b;
end function;
function calculate_table(b : b_array_t) return table_t is
variable ret : table_t(0 to b'length-1, 0 to b(0).a'length-1)(value(31 downto 0));
begin
return ret;
end function;
constant b : b_array_t := calculate_b;
constant table : table_t := calculate_table(b);
begin
end architecture;
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