{1}# Bug #2019 Buffer over-read in MMIXAL lexer
{2}label{4}
{0}        {5}PREFIX{7}  {10}Foo:{1}
% Relative reference (uses PREFIX)
{0}        {5}JMP{7} {10}label{1}
%
{0}        {5}JMP{7} {10}@label{1}
% Absolute reference (does not use PREFIX)
{0}        {5}JMP{7} {10}:label{1}
% In register list so treated as register
{0}        {5}JMP{7} {13}:rA{1}
% Too long for buffer so truncated
{0}        {5}JMP{7} {10}l1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890{1}
% Too long for buffer so truncated then treated as absolute
{0}        {5}JMP{7} {10}:l1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890{1}
%