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package pkg is
procedure proc (a : bit_vector; r : out bit);
end pkg;
package body pkg is
procedure proc (a : bit_vector; r : out bit)
is
variable v1, v2 : bit_vector (1 to 2 * a'length);
begin
v1 := a & a;
v2 := a & a;
r := '0';
end proc;
end pkg;
entity repro is
end repro;
architecture behav of repro is
begin
process
variable v : bit;
constant c : bit_vector (1 to 1024) := (1 => '1', others => '0');
begin
loop
work.pkg.proc (c, v);
wait for 1 ns;
end loop;
end process;
end behav;
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