iOS Safari + CSS calc() + CSS transition = Instant Crash

[mfg]

When I try to use \[code\]left: -webkit-calc(100% - 100px);\[/code\] (assuming that \[code\]left: 0;\[/code\] is initial state) it works in iOS 6.0.1 just fine. But when I do the same with \[code\]transition: left 1s linear;\[/code\] it instantly crashes Safari, every single time. Is it known bug or am I doing something wrong?It also doesn't work in Safari 5 (no reaction). But it works in Firefox and Chrome.