const runtime._64bit

8 uses

	runtime (current package)
		malloc.go#L130: 	_64bit = 1 << (^uintptr(0) >> 63) / 2
		malloc.go#L210: 	heapAddrBits = (_64bit*(1-sys.GoarchWasm)*(1-sys.GoosIos*sys.GoarchArm64))*48 + (1-_64bit+sys.GoarchWasm)*(32-(sys.GoarchMips+sys.GoarchMipsle)) + 33*sys.GoosIos*sys.GoarchArm64
		malloc.go#L217: 	maxAlloc = (1 << heapAddrBits) - (1-_64bit)*1
		malloc.go#L250: 	logHeapArenaBytes = (6+20)*(_64bit*(1-sys.GoosWindows)*(1-sys.GoarchWasm)) + (2+20)*(_64bit*sys.GoosWindows) + (2+20)*(1-_64bit) + (2+20)*sys.GoarchWasm
		malloc.go#L270: 	arenaL1Bits = 6 * (_64bit * sys.GoosWindows)

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