Bug 1016523 - Part 1: Have Debugger treat invoking the interrupt handler as a step in the interpreter. (r=jimb)
Bug 1016523 - Part 2: Handle propagated forced returns in Baseline. (r=jandem)
Bug 1016523 - Test. (r=jimb)
Bug 1020800 - Check for correct thread after checking if GC is suppressed. (r=terrence)
Bug 1019612 - Fix setting of gServceInterrupt in js shell. (r=jorendorff)