RFR: 8296496: Overzealous check in sizecalc.h prevents large memory allocation

[Alexander Zuev]

On Tue, 8 Nov 2022 13:50:25 GMT, Alexey Ivanov <aivanov at openjdk.org> wrote:

> Each parameter must be cast as in SAFE_SIZE_ARRAY_ALLOC.

If we do that then logic might be broken since we checking for the limits against the (size_t)(m * n) but performing call with ((size_t)(m) * (size_t)(n)) which might add potential point of failure. I prefer to do the conversions in the same way we do them in checks.

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PR: https://git.openjdk.org/jdk/pull/11030