• simonmar's avatar
    [project @ 2005-11-24 14:21:33 by simonmar] · 9df32c34
    simonmar authored
    unlockClosure() requires a write barrier for the compiler - write
    barriers aren't required for the CPU, but gcc re-orders non-aliasing
    writes unless we use an explicit barrier.
    
    This only just showed up when we started compiling the RTS with -O2.
    9df32c34