The upstream bug refers to a 32-bit-only issue: on amd64, size_t (et al.) are 64-bit, so have no 4GB limit. So the upstream patch should have no effect at all on amd64.
The upstream bug refers to a 32-bit-only issue: on amd64, size_t (et al.) are 64-bit, so have no 4GB limit. So the upstream patch should have no effect at all on amd64.