RFR: 8313564: Fix -Wconversion warnings in classfile code [v2]

[David Holmes]

On Wed, 2 Aug 2023 19:19:15 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> src/hotspot/share/classfile/symbolTable.cpp line 933:
>> 
>>> 931:   tty->print_cr("  Total symbol length      " SIZE_FORMAT_W(7), hi.total_length);
>>> 932:   tty->print_cr("  Maximum symbol length    " SIZE_FORMAT_W(7), hi.max_length);
>>> 933:   tty->print_cr("  Average symbol length    %7.2f", ((float)hi.total_length / (float)hi.total_count));
>> 
>> Same here
>
> I think each value needs to be cast to get the correct result.

Yes size_t values must be cast to float/double. Again I think double should be used here.

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PR Review Comment: https://git.openjdk.org/jdk/pull/15111#discussion_r1282503088