Xcode debugger -- allow breakpoints to work while evaluating something from a breakpoint?

Is this possible? For example, if I am stopped at a breakpoint, and I enter

po [foo description]

into the console, the debugger will print the description of foo. But if it hits another breakpoint while computing said description, it will not break at the second breakpoint.

Can I alter this behavior so that it does break a开发者_StackOverflowt the second breakpoint?