const reflect.maxPtrmaskBytes

2 uses

	reflect (current package)
		type.go#L2825: const maxPtrmaskBytes = 2048
		type.go#L2891: 	case typ.kind&kindGCProg == 0 && array.size <= maxPtrmaskBytes*8*ptrSize:

The pages are generated with Golds v0.2.8-preview. (GOOS=darwin GOARCH=arm64)