RFR: 8214976: Warn about uses of functions replaced for portability [v2]

[Harold Seigel]

On Fri, 28 Jan 2022 19:33:21 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

>> Harold Seigel has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   changes to address some review comments
>
> src/hotspot/share/utilities/compilerWarnings_gcc.hpp line 114:
> 
>> 112: 
>> 113: #define FORBID_C_FUNCTION(signature, alternative)
>> 114: #define PRAGMA_PERMIT_FORBIDDEN_C_FUNCTION(name)
> 
> These aren't needed.  The default empty definitions in compilerWarnings.hpp cover this case.

fixed

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PR: https://git.openjdk.java.net/jdk/pull/7248