RFR: 8310921: Fix -Wconversion warnings from GenerateOopMap [v2]

[David Holmes]

On Tue, 27 Jun 2023 13:20:21 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> This is broken out from but tested with the PR from https://github.com/openjdk/jdk/pull/14659
>
> Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:
> 
>   David Holmes comments

src/hotspot/share/oops/generateOopMap.cpp line 2060:

> 2058:   tty->print_cr ("  Total : %3.3f sec.", GenerateOopMap::_total_oopmap_time.seconds());
> 2059:   tty->print_cr ("  (%3.0f bytecodes per sec) ",
> 2060:   (double)GenerateOopMap::_total_byte_count / GenerateOopMap::_total_oopmap_time.seconds());

I still don't see a need for the double cast here - the normal numeric promotion rules will make the expression a double. What error is reported for this code?

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PR Review Comment: https://git.openjdk.org/jdk/pull/14666#discussion_r1244479203