pkg upgrade failed again

[Jamie Griffin]

Just waited 9 hours for all the new packages to download to find this 
happens:

Checking for upgrades: 100%
Assertion failed: (var == elt->var), function pkg_solve_sat_problem, 
file pkg_solve.c, line 508.
Child process pid=5148 terminated abnormally: Abort trap

When with a problematic package qt4-qtestlib conflicting with 
qt4-testlib, pkg upgraded itself to 1.3.3 first, I thought the solver 
was supposed to sort things like this?