# v5.8.3 built for i386-linux-thread-multi:
-bash-2.05b$ perl -le 'print map{chop$$_, $_}\$_, \$_, \$_ for "abc", ($x="abc")'
cSCALAR(0x804cbb8)cSCALAR(0x804cc78)cSCALAR(0x804c99c)
cSCALAR(0x805f69c)bSCALAR(0x805f69c)aSCALAR(0x805f69c)

# v5.8.7 built for i486-linux:
sidhekin@blackbox:~$ perl -le 'print map{chop$$_, $_}\$_, \$_, \$_ for "abc", ($x="abc")'
Modification of a read-only value attempted at -e line 1.
Attempt to free unreferenced scalar: SV 0x812ec2c.