RFR: 8307160: Fix AWT/2D/A11Y to support the permissive- flag on the Microsoft Visual C compiler [v14]

Julian Waters jwaters at openjdk.org
Fri Nov 3 02:36:12 UTC 2023


On Thu, 2 Nov 2023 18:47:45 GMT, Phil Race <prr at openjdk.org> wrote:

>> Julian Waters has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Changes awt_Frame.cpp
>
> src/java.desktop/windows/native/libawt/windows/awt_Canvas.cpp line 218:
> 
>> 216: 
>> 217:     AwtCanvas *c;
>> 218:     c = (AwtCanvas*) pData;
> 
> you probably explained it in some other thread, perhaps in an earlier review but what exactly is the problem with the existing code ? The new code looks like something that begs to be undone.

The problem is that the goto jumps over the initialization of these locals, which C++ does not allow. However, a split declaration and assignment can be jumped over by goto if the local is a primitive type, hence this change is needed

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PR Review Comment: https://git.openjdk.org/jdk/pull/15096#discussion_r1381109525


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