On Fri, 19 May 2023 12:42:22 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>
> - the pattern matching for switch and record patterns features are made
> final, together with updates to tests.
> - parenthesized patterns are removed.
> - qualified enum constants are supported for case label
On Thu, 18 May 2023 22:22:25 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>
> - the pattern matching for switch and record patterns features are made
> final, together with updates to tests.
> - parenthesized patterns are removed.
> - qualified enum constants are supported for case label
> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>
> - the pattern matching for switch and record patterns features are made
> final, together with updates to tests.
> - parenthesized patterns are removed.
> - qualified enum constants are supported for case label
> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>
> - the pattern matching for switch and record patterns features are made
> final, together with updates to tests.
> - parenthesized patterns are removed.
> - qualified enum constants are supported for case label
> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>
> - the pattern matching for switch and record patterns features are made
> final, together with updates to tests.
> - parenthesized patterns are removed.
> - qualified enum constants are supported for case label
> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>
> - the pattern matching for switch and record patterns features are made
> final, together with updates to tests.
> - parenthesized patterns are removed.
> - qualified enum constants are supported for case label
On Tue, 25 Apr 2023 10:23:11 GMT, Maurizio Cimadamore
wrote:
>> test/langtools/tools/javac/patterns/Exhaustiveness.java line 1:
>>
>>> 1: /*
>>
>> Isn't `Isn't `testCoversType1` the same as `testExhaustiveStatement3` ?
>
> Some of the tests called `testExhaustiveStatement` do not seem to test
On Tue, 25 Apr 2023 10:22:40 GMT, Maurizio Cimadamore
wrote:
>> Jan Lahoda has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Reflecting review changes.
>
> test/langtools/tools/javac/patterns/Exhaustiveness.java line 1:
>
>> 1: /*
>
> I
On Tue, 25 Apr 2023 10:33:33 GMT, Maurizio Cimadamore
wrote:
>> Some of the tests called `testExhaustiveStatement` do not seem to test
>> statements at all
>
> In the two `testXYZExhaustiveIntersection` the class hierarchy seems the same
> - can we reuse it across multiple test cases? I see so
On Mon, 24 Apr 2023 15:16:18 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Mon, 24 Apr 2023 15:16:18 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Mon, 24 Apr 2023 15:16:18 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Mon, 24 Apr 2023 15:16:18 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Mon, 24 Apr 2023 15:16:18 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Mon, 24 Apr 2023 15:16:18 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Mon, 24 Apr 2023 13:08:44 GMT, Jan Lahoda wrote:
>> src/java.base/share/classes/java/lang/runtime/SwitchBootstraps.java line 315:
>>
>>> 313: Object[] labels = resolvedLabels.resolvedLabels;
>>> 314:
>>> 315: // Dumbest possible strategy
>>
>> I guess that given that we can'
> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>
> - the pattern matching for switch and record patterns features are made
> final, together with updates to tests.
> - parenthesized patterns are removed.
> - qualified enum constants are supported for case label
On Fri, 21 Apr 2023 16:49:54 GMT, Vicente Romero wrote:
>> Jan Lahoda has updated the pull request incrementally with two additional
>> commits since the last revision:
>>
>> - Adding test.
>> - Removing redundant continue, as noted on the review.
>
> src/java.base/share/classes/java/lang/run
On Mon, 24 Apr 2023 12:53:59 GMT, Jan Lahoda wrote:
> In this case, as long as the union type could only be present at the top
> level (as opposed to e.g. a type of a record component), we could simply
> require all components to be covered for union types for exhaustiveness in
> `checkCovered
On Mon, 24 Apr 2023 12:05:35 GMT, Maurizio Cimadamore
wrote:
> > > I believe the exhaustiveness algorithm needs rules for union types, both
> > > in javac and in the JLS:
> > > ...
> > > I would expect the above switch to be exhaustive, since it covers all
> > > possible components of the unio
On Mon, 24 Apr 2023 09:05:56 GMT, Rémi Forax wrote:
> > I believe the exhaustiveness algorithm needs rules for union types, both in
> > javac and in the JLS:
> > ...
> > I would expect the above switch to be exhaustive, since it covers all
> > possible components of the union type. In other wor
On Fri, 21 Apr 2023 16:25:04 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Fri, 21 Apr 2023 16:25:04 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Fri, 21 Apr 2023 16:25:04 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Fri, 21 Apr 2023 16:25:04 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Fri, 21 Apr 2023 10:56:55 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Fri, 21 Apr 2023 15:34:32 GMT, Rémi Forax wrote:
> > Which compiles correctly, but it doesn't look exhaustive to me (because of
> > F) ?
>
> Can you expand a little more, because for me a Z either implement C or D or
> both C and D.
Please see my latest comment above. I was confused by the
On Fri, 21 Apr 2023 16:08:41 GMT, Maurizio Cimadamore
wrote:
>> Jan Lahoda has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Replacing use of mutable callsite with a mutable state.
>
> src/jdk.compiler/share/classes/com/sun/tools/javac/co
> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>
> - the pattern matching for switch and record patterns features are made
> final, together with updates to tests.
> - parenthesized patterns are removed.
> - qualified enum constants are supported for case label
On Fri, 21 Apr 2023 10:56:55 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Fri, 21 Apr 2023 15:30:24 GMT, Maurizio Cimadamore
wrote:
>> Also, surprisingly, if I make C and D classes (instead of interfaces):
>>
>> class Test {
>> sealed interface I permits C, D { }
>> final class C implements I { }
>> final class D implements I { }
>>
>> interface F
On Fri, 21 Apr 2023 15:17:37 GMT, Maurizio Cimadamore
wrote:
>> src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Flow.java line 915:
>>
>>> 913: */
>>> 914: private List reduceBindingPatterns(Type
>>> selectorType, List patterns) {
>>> 915: Set existingBindi
On Fri, 21 Apr 2023 10:56:55 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Fri, 21 Apr 2023 15:16:03 GMT, Maurizio Cimadamore
wrote:
>> Jan Lahoda has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Replacing use of mutable callsite with a mutable state.
>
> src/jdk.compiler/share/classes/com/sun/tools/javac/co
> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>
> - the pattern matching for switch and record patterns features are made
> final, together with updates to tests.
> - parenthesized patterns are removed.
> - qualified enum constants are supported for case label
On Thu, 20 Apr 2023 16:54:20 GMT, Jan Lahoda wrote:
>> could you explain a bit more the relation between `lazyDoEnumSwitch` and
>> `doEnumSwitch` because my understanding is that `lazyDoEnumSwitch` is
>> invoking `doEnumSwitch` so to me whenever `lazyDoEnumSwitch` is invoked
>> there will be a
On Thu, 20 Apr 2023 17:08:10 GMT, Jan Lahoda wrote:
>> That's in my upcoming update.
>
> The startIndex checks are part of this change:
> https://github.com/openjdk/jdk/pull/13074/commits/bb59254e409821c9b14287c73a35ebe2dd2cbda9
>
> Thanks for the comment!
Oh I see, thanks!
-
PR R
On Tue, 18 Apr 2023 13:43:45 GMT, Maurizio Cimadamore
wrote:
>> Jan Lahoda has updated the pull request incrementally with six additional
>> commits since the last revision:
>>
>> - Fixing infinite loop where a binding pattern is replaced with a binding
>> pattern for the same type.
>> - Re
On Tue, 18 Apr 2023 14:31:46 GMT, Maurizio Cimadamore
wrote:
>> src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Flow.java line 1021:
>>
>>> 1019: *on patterns in the chosen column, as described above
>>> 1020: */
>>> 1021: var grouppedPerRecordC
On Tue, 18 Apr 2023 14:17:02 GMT, Maurizio Cimadamore
wrote:
>> I've also found an infinite loop with this:
>>
>>
>> class Test {
>> sealed interface I0 permits I1, I2 { }
>> sealed interface I00 permits I1, I2 { }
>>
>> sealed interface I1 extends I0, I00 permits B, C { }
>>
On Thu, 20 Apr 2023 16:40:31 GMT, Jan Lahoda wrote:
>> and regarding checking that `startIndex` should be `>= 0`? shouldn't we
>> check for that?
>
> That's in my upcoming update.
The startIndex checks are part of this change:
https://github.com/openjdk/jdk/pull/13074/commits/bb59254e409821c9b1
On Tue, 18 Apr 2023 20:24:33 GMT, Vicente Romero wrote:
>> Jan Lahoda has updated the pull request incrementally with six additional
>> commits since the last revision:
>>
>> - Fixing infinite loop where a binding pattern is replaced with a binding
>> pattern for the same type.
>> - Reflecti
> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>
> - the pattern matching for switch and record patterns features are made
> final, together with updates to tests.
> - parenthesized patterns are removed.
> - qualified enum constants are supported for case label
On Thu, 20 Apr 2023 16:31:33 GMT, Vicente Romero wrote:
>> yep I found a similar test case triggering this code
>
> could you explain a bit more the relation between `lazyDoEnumSwitch` and
> `doEnumSwitch` because my understanding is that `lazyDoEnumSwitch` is
> invoking `doEnumSwitch` so to me
On Thu, 20 Apr 2023 16:32:33 GMT, Vicente Romero wrote:
>> I see, thanks
>
> and regarding checking that `startIndex` should be `>= 0`? shouldn't we check
> for that?
That's in my upcoming update.
-
PR Review Comment: https://git.openjdk.org/jdk/pull/13074#discussion_r1172848770
On Thu, 20 Apr 2023 14:07:01 GMT, Vicente Romero wrote:
>> The intent here is to avoid eager initialization of enums - so, until the
>> enum is initialized, `lazyDoEnumSwitch` will be used (which, by itself,
>> won't compute any results, except the result for `null`), which is then
>> replaced
On Thu, 20 Apr 2023 13:41:05 GMT, Jan Lahoda wrote:
>> src/java.base/share/classes/java/lang/runtime/SwitchBootstraps.java line 279:
>>
>>> 277: }
>>> 278:
>>> 279: private static int lazyDoEnumSwitch(Enum target, int
>>> startIndex, Object[] labels, MethodHandles.Lookup lookup, Class
On Wed, 19 Apr 2023 16:45:06 GMT, Vicente Romero wrote:
>> Jan Lahoda has updated the pull request incrementally with six additional
>> commits since the last revision:
>>
>> - Fixing infinite loop where a binding pattern is replaced with a binding
>> pattern for the same type.
>> - Reflecti
On Thu, 20 Apr 2023 13:33:17 GMT, Jan Lahoda wrote:
>> src/java.base/share/classes/java/lang/runtime/SwitchBootstraps.java line 170:
>>
>>> 168: } else if (label instanceof EnumDesc enumDesc) {
>>> 169: if (target.getClass().isEnum() &&
>>> 170: ((
On Wed, 19 Apr 2023 15:36:08 GMT, Vicente Romero wrote:
>> Jan Lahoda has updated the pull request incrementally with six additional
>> commits since the last revision:
>>
>> - Fixing infinite loop where a binding pattern is replaced with a binding
>> pattern for the same type.
>> - Reflecti
On Wed, 19 Apr 2023 04:06:00 GMT, Vicente Romero wrote:
>> Jan Lahoda has updated the pull request incrementally with six additional
>> commits since the last revision:
>>
>> - Fixing infinite loop where a binding pattern is replaced with a binding
>> pattern for the same type.
>> - Reflecti
On Tue, 18 Apr 2023 09:13:01 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Tue, 18 Apr 2023 09:13:01 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Tue, 18 Apr 2023 09:13:01 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Tue, 18 Apr 2023 09:13:01 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Tue, 18 Apr 2023 09:13:01 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Tue, 18 Apr 2023 09:13:01 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Tue, 18 Apr 2023 09:13:01 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Tue, 18 Apr 2023 09:13:01 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Tue, 18 Apr 2023 09:13:01 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Tue, 18 Apr 2023 14:31:30 GMT, Maurizio Cimadamore
wrote:
>> Jan Lahoda has updated the pull request incrementally with six additional
>> commits since the last revision:
>>
>> - Fixing infinite loop where a binding pattern is replaced with a binding
>> pattern for the same type.
>> - Re
On Tue, 18 Apr 2023 09:13:01 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Tue, 18 Apr 2023 09:13:01 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Tue, 18 Apr 2023 13:54:52 GMT, Maurizio Cimadamore
wrote:
> I've also found an infinite loop with this:
I believe this has to do with the fact that the list of pattern is not a set -
so we can end up adding the same pattern descriptions over and over.
-
PR Review Comment: http
On Tue, 18 Apr 2023 13:43:17 GMT, Maurizio Cimadamore
wrote:
>> Jan Lahoda has updated the pull request incrementally with six additional
>> commits since the last revision:
>>
>> - Fixing infinite loop where a binding pattern is replaced with a binding
>> pattern for the same type.
>> - Re
On Tue, 18 Apr 2023 09:13:01 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Tue, 18 Apr 2023 09:13:01 GMT, Jan Lahoda wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are removed.
On Mon, 17 Apr 2023 11:33:56 GMT, Maurizio Cimadamore
wrote:
>> Jan Lahoda has updated the pull request incrementally with six additional
>> commits since the last revision:
>>
>> - Fixing infinite loop where a binding pattern is replaced with a binding
>> pattern for the same type.
>> - Re
On Fri, 14 Apr 2023 18:30:56 GMT, Vicente Romero wrote:
>> Jan Lahoda has updated the pull request incrementally with six additional
>> commits since the last revision:
>>
>> - Fixing infinite loop where a binding pattern is replaced with a binding
>> pattern for the same type.
>> - Reflecti
On Fri, 14 Apr 2023 16:45:36 GMT, Roger Riggs wrote:
>> Well, I'm aware of this, and https://github.com/openjdk/jdk/pull/9779 even
>> optimizes the case where the `enumSwitch` only gets enum constants as
>> parameters.
>>
>> And, overall, it is fairly easy to implement, I think I've had at lea
> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>
> - the pattern matching for switch and record patterns features are made
> final, together with updates to tests.
> - parenthesized patterns are removed.
> - qualified enum constants are supported for case label
On Fri, 17 Mar 2023 12:15:58 GMT, Jan Lahoda wrote:
> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>
> - the pattern matching for switch and record patterns features are made
> final, together with updates to tests.
> - parenthesized patterns are removed.
> -
On Fri, 17 Mar 2023 12:15:58 GMT, Jan Lahoda wrote:
> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>
> - the pattern matching for switch and record patterns features are made
> final, together with updates to tests.
> - parenthesized patterns are removed.
> -
On Fri, 14 Apr 2023 16:36:59 GMT, Jan Lahoda wrote:
>> FWIW... an observation from working on
>> [JDK-7176515](https://bugs.openjdk.org/browse/JDK-7176515). This is probably
>> redundant but here goes anyway.
>>
>> In the compiler there are currently three different ways of handling enums
>>
On Fri, 14 Apr 2023 16:10:49 GMT, Archie L. Cobbs wrote:
>> FWIW, a sketch on how avoiding the enum initialization might look like is
>> here:
>> https://github.com/lahodaj/jdk/compare/JDK-8300543...lahodaj:jdk:JDK-8300543-lazy-enum?expand=1
>>
>> more work needed to make that work for `typeSwi
On Thu, 13 Apr 2023 12:07:00 GMT, Jan Lahoda wrote:
>> Note that currently, a `switch` over an enum will already trigger
>> initialisation of the enum class because of the need to compute the relevant
>> mapping array by the synthetic helper class, see [JDK‑7176515] for details.
>> - https://gi
On Thu, 13 Apr 2023 10:59:46 GMT, ExE Boss wrote:
>> Hi Christian,
>>
>> Thanks for the comment.
>>
>> First, the "Dumbest possible strategy" comment should be interpreted as "we
>> would like to do something better", not that using something slow is OK
>> permanently. There's an attempt to d
On Thu, 13 Apr 2023 07:49:05 GMT, Jan Lahoda wrote:
>> src/java.base/share/classes/java/lang/runtime/SwitchBootstraps.java line 1:
>>
>>> 1: /*
>>
>> @lahodaj The way that the boostrap method `enumSwitch` and its
>> corresponding implementation method `doEnumSwitch` are implemented right now
On Wed, 12 Apr 2023 19:47:25 GMT, Christian Wimmer wrote:
>> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>>
>> - the pattern matching for switch and record patterns features are made
>> final, together with updates to tests.
>> - parenthesized patterns are re
On Fri, 17 Mar 2023 12:15:58 GMT, Jan Lahoda wrote:
> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>
> - the pattern matching for switch and record patterns features are made
> final, together with updates to tests.
> - parenthesized patterns are removed.
> -
On Fri, 17 Mar 2023 12:15:58 GMT, Jan Lahoda wrote:
> This is the first draft of a patch for JEP 440 and JEP 441. Changes included:
>
> - the pattern matching for switch and record patterns features are made
> final, together with updates to tests.
> - parenthesized patterns are removed.
> -
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