$ sudo aptitude full-upgrade
The following packages will be upgraded:
iceweasel libmozjs3d xulrunner-1.9.2{b}
3 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 11.2 MB of archives. After unpacking 823 kB will be used.
The following packages have unmet dependencies:
xulrunner-1.9.2: Depends: libstdc++6 (>= 4.5) but 4.4.5-8 is installed.
The following actions will resolve these dependencies:
Remove the following packages:
1) iceweasel
2) xulrunner-1.9.2
Accept this solution? [Y/n/q/?]