RFR: 8299635: More test issues for deprecated sprintf in Xcode 14

[Serguei Spitsyn]

On Thu, 12 Jan 2023 07:25:07 GMT, Xue-Lei Andrew Fan <xuelei at openjdk.org> wrote:

>>> This PR does not address all the remaining sprintf:s in hotspot, and with it now explicitly forbidden the build will fail:
>>> 
>> 
>> This is a question to me as well.  I noticed there are still some use of sprintf, but the building passed on MacOS and Linux.  I was wondering if the following update really work (if the '...' parameter works for the forbidden?), or something else matters.
>> 
>> 
>> FORBID_C_FUNCTION(int sprintf(char*, const char*, ...), "use os::snprintf");
>> 
>> 
>>> I count ~30 sprintf:s that need updating.
>>> 
>>> I'm also curious: some of the sprintfs are C2 (src/hotspot/share/opto) - are your builds including C2? If so, why are you not running into the issue for those files?
>> 
>> I'm new to hotspot.  Do you know how could I enable C2?  Thanks!
>
>> > I'm also curious: some of the sprintfs are C2 (src/hotspot/share/opto) - are your builds including C2? If so, why are you not running into the issue for those files?
>> 
>> I'm new to hotspot. Do you know how could I enable C2? Thanks!
> 
> Never mind, I got it from configuration help message (use --with-jvm-features=compiler2).

@XueleiFan Could you, please, do not integrate until more cases with the same problem are fixed?

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PR: https://git.openjdk.org/jdk/pull/11935