RFR: 8314114: Fix -Wconversion warnings in os code, primarily linux [v2]

[Coleen Phillimore]

On Fri, 11 Aug 2023 00:40:48 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> src/hotspot/share/utilities/decoder_elf.cpp line 70:
>> 
>>> 68:   filepath[JVM_MAXPATHLEN - 1] = '\0';
>>> 69:   int offset_in_library = -1;
>>> 70:   if (!os::dll_address_to_library_name(pc, filepath, (int)sizeof(filepath), &offset_in_library)) {
>> 
>> How about fixing dll_address_to_library_name to use size_t like all the rest of the os:: functions?
>
> It's painful. See above.

I didn't need that cast.  reverting.

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PR Review Comment: https://git.openjdk.org/jdk/pull/15229#discussion_r1292300951