RFR: 8329430: MetaspaceShared::preload_and_dump should clear pending exception

[Ioi Lam]

On Mon, 15 Apr 2024 06:29:46 GMT, Calvin Cheung <ccheung at openjdk.org> wrote:

> Please review this simple fix for clearing the pending exception in `MetaspaceShared::preload_and_dump()`.
> 
> Passed tiers 1 - 4 testing.

LGTM

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Marked as reviewed by iklam (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/18777#pullrequestreview-2002316428