RFR: 8264150: CDS dumping code calls TRAPS functions in VM thread

[Ioi Lam]

On Tue, 30 Mar 2021 22:25:06 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> This change initializes the vtables/itables without checking constraints.  After initializing but before the class is visible in the SystemDictionary, constraints are checked in a separate loop.
> 
> Tested with tier1-6 which includes jck tests.

Marked as reviewed by iklam (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/3277