RFR: JDK-8289512: Fix GCC 12 warnings for adlc output_c.cpp [v2]

[Vladimir Kozlov]

On Thu, 30 Jun 2022 15:18:16 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

>> src/hotspot/share/adlc/output_c.cpp line 527:
>> 
>>> 525:         ndx+1, element_count, resource_mask);
>>> 526: 
>>> 527:     // "0x012345678, 0x012345678, 4294967295"
>> 
>> please add assert like next:
>> ```assert((9 + 2*masklen + maskdigit) <= 37, "invalid value: masklen=%d, maskdigit=%d", masklen, maskdigit);```
>
> I'm not sure that makes sense, since neither masklen nor maskdigit are part of printing anymore.
> 
> I added a check for overflow, does this test what you wanted?

Yes, that is what I wanted.

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PR: https://git.openjdk.org/jdk/pull/9335