RFR: 8264004: Don't use TRAPS if no exceptions are thrown [v4]

[Daniel D.Daugherty]

On Tue, 23 Mar 2021 16:08:59 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Removed the TRAPS in function declarations in jvmtiRedefineClasses and in ConstantPool merging functions.
>> Tested with vmTestbase/nsk/jvmti and tier1 (in progress).
>
> Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fix load_new_class_versions and remove more traps.

Looks good. 

You should also do JDI test runs for this changeset and you should wait
to hear from the Serviceability team before integration.

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Marked as reviewed by dcubed (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/3141