RFR: 8319115: GrowableArray: Do not initialize up to capacity

[Thomas Stuefe]

On Mon, 30 Oct 2023 14:49:25 GMT, Johan Sjölen <jsjolen at openjdk.org> wrote:

> Hi,
> 
> There's no reason to initialize the memory for the elements in the range `[_len, _capacity)` on resize, so let's not do it.
> 
> Currently running testing tier1-3.

Makes sense, but it may make sense to poison them in debug builds (we poison in os::realloc, but only if NMT is enabled).

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PR Comment: https://git.openjdk.org/jdk/pull/16418#issuecomment-1785425811