------- Additional Comments From pinskia at physics dot uc dot edu 2005-08-16 21:23 ------- Subject: Re: [4.1 Regression] ICE in cgraph_decide_inlining_incrementally (using freed GC memory)
> > > ------- Additional Comments From e9925248 at stud4 dot tuwien dot ac dot at > 2005-08-16 21:20 ------- > I think, I found the cause of this: > cgraph_early_inlining holds a list of cgraph nodes in the array order. > > In this example, cgraph_decide_inlining_incrementally removes all references > known by the garbage collector to a node contained in this array, which has > not > been processed. Then it calls the ggc_collect. With checking enabled, the > freed > memory is overwritten so that the following access cause a segementation > fault. The other way to fix it, would be move the order array to GC memory so we call still call ggc_collect. -- Pinski -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23408
