const runtime.maxKeySize

3 uses

	runtime (current package)
		map.go#L79: 	maxKeySize  = abi.MapMaxKeyBytes
		map.go#L1315: 	if t.Key.Size_ > maxKeySize && (!t.IndirectKey() || t.KeySize != uint8(goarch.PtrSize)) ||
		map.go#L1316: 		t.Key.Size_ <= maxKeySize && (t.IndirectKey() || t.KeySize != uint8(t.Key.Size_)) {