P4
We have WordsPerLong defined as this:
```
const int WordsPerLong = 2; // Number of stack entries for longs
```
which is wrong for 64-bit platforms if "Words" is used as in the rest of hotspot (pointer-sized item).
```
const int WordsPerLong = 2; // Number of stack entries for longs
```
which is wrong for 64-bit platforms if "Words" is used as in the rest of hotspot (pointer-sized item).
