Unable to allocate more than 2 Gb in a single chunk

[asl]

void *GlobalHeap::malloc(size_t sz) {

contains the following code effectively preventing large allocation:

if (unlikely(pageCount * kPageSize > INT_MAX)) {
    return nullptr;
 }

[asl]

I have not looked into the code deeper, but simply disabling the check seems to fix the issue.

[bpowers]

I seem to have cargo-culted this from Heap-Layer's ansiwrapper. To be on the safe side, I've increased the integer types for some functions from Length (uint32_t) to size_t in the MeshableArena, to avoid inadvertently doing 32-bit math that might have bad consequences here.

Thanks for this!

[bpowers]

(commited a fix in 41311fc)