Could be related to https://github.com/gwtproject/gwt/issues/10044

Fwiw, the issue fixed in 2.12.1 was not about the "case x -> foo" vs "case 
x -> { foo }" but about enclosing the whole switch inside a block.

On Thursday, November 21, 2024 at 9:28:51 AM UTC+1 [email protected] 
wrote:

> The release notes for 2.12.1 ( 
> https://www.gwtproject.org/release-notes.html#Release_Notes_2_12_1 ) say:
>
> *> Switch statements can correctly compile without being contained in 
> braces*
>
> For me, they compile, but they don't work.  Eg.  This code:
>
> GWT.log("Test 1 - Start");
> switch (1) {
>   case 1 -> {
>     GWT.log("Test 1 - 1");
>   }
>   case 2 -> {
>     GWT.log("Test 1 - 2");
>   }
>   case 3 -> {
>     GWT.log("Test 1 - 3");
>   }
> }
> GWT.log("Test 1 - Done");
>
> GWT.log("Test 2 - Start");
> switch (1) {
>   case 1 -> GWT.log("Test 2 - 1");
>   case 2 -> GWT.log("Test 2 - 2");
>   case 3 -> GWT.log("Test 2 - 3");
> }
> GWT.log("Test 2 - Done");
>
> Will never get to the last "Test 2 - Done" line.  The output will be:
> Test 1 - Start
> Test 1 - 1
> Test 1 - Done
> Test 2 - Start
> Test 2 - 1
>
> Is this a known issue?
>
> Thanks.
>

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