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var x : byte;
y : longint;
procedure set_x;
begin
y:=345;
{$R-}
x:=y;
{$R+}
Writeln('x = ',x);
{$R-}
x:=y
{$R+}
end;
{ the bug comes from the fact that as there is no
semicolon after x:=y the parser must read up to end; statement
and thus change the range check mode before
the assign node is created !! }
begin
set_x;
Writeln('x = ',x);
end.
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