$ sudo aptitude full-upgrade -V
The following packages will be upgraded:
iceweasel [3.6.15-1 -> 3.6.16-1] libmozjs3d [1.9.2.15-1 -> 1.9.2.16-1]
xulrunner-1.9.2{b} [1.9.2.15-1 -> 1.9.2.16-1]
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/?]