212679 2020-06-02 18:52:33 -0700 Logical Assignment: perform NamedEvaluation of anonymous functions 2020-06-05 12:08:05 -0700 1 1 1 Unclassified WebKit JavaScriptCore WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 209716 1 hi hi ews-watchlist hi joepeck keith_miller mark.lam msaboff ross.kirsling saam tzagallo webkit-bug-importer ysuzuki oldest_to_newest 1658556 0 hi 2020-06-02 18:52:33 -0700 ``` let foo = null; foo ??= function() {}; console.log(foo.name); // should be "foo", but is currently "" ``` which matches the functionality of regular assignments ``` let foo = function() {}; console.log(foo.name); // "foo" ``` Issue: <https://github.com/tc39/proposal-logical-assignment/issues/23> PR: <https://github.com/tc39/proposal-logical-assignment/pull/24> 1658578 1 400884 hi 2020-06-02 19:33:20 -0700 Created attachment 400884 Patch 1658588 2 400884 ross.kirsling 2020-06-02 19:58:48 -0700 Comment on attachment 400884 Patch r=me as long as the test262 update is incoming. 1658649 3 joepeck 2020-06-03 01:12:17 -0700 Nice. Yeah there should be some test associated with this! 1659355 4 hi 2020-06-04 15:24:20 -0700 I manually tested the test262 updates in <https://github.com/tc39/test262/pull/2649> and we passed them all :) @yusukesuzuki suggested that I land this rather than wait for the tests so we can get additional fuzzing coverage. I'm inclined to agree, especially with how simple this change is and the fact that we already pass the tests. Thoughts? 1659356 5 saam 2020-06-04 15:36:00 -0700 (In reply to Devin Rousso from comment #4) > I manually tested the test262 updates in > <https://github.com/tc39/test262/pull/2649> and we passed them all :) > > @yusukesuzuki suggested that I land this rather than wait for the tests so > we can get additional fuzzing coverage. > > I'm inclined to agree, especially with how simple this change is and the > fact that we already pass the tests. > > Thoughts? Why not just write your own test? 1659401 6 hi 2020-06-04 16:35:12 -0700 (In reply to Saam Barati from comment #5) > (In reply to Devin Rousso from comment #4) > > I manually tested the test262 updates in <https://github.com/tc39/test262/pull/2649> and we passed them all :) > > > > @yusukesuzuki suggested that I land this rather than wait for the tests so we can get additional fuzzing coverage. > > > > I'm inclined to agree, especially with how simple this change is and the fact that we already pass the tests. > > > > Thoughts? > > Why not just write your own test? I could, but I would write basically the exact same tests, so I thought it was duplicate effort for no reward (same code being tested twice). 1659402 7 saam 2020-06-04 16:36:03 -0700 (In reply to Devin Rousso from comment #6) > (In reply to Saam Barati from comment #5) > > (In reply to Devin Rousso from comment #4) > > > I manually tested the test262 updates in <https://github.com/tc39/test262/pull/2649> and we passed them all :) > > > > > > @yusukesuzuki suggested that I land this rather than wait for the tests so we can get additional fuzzing coverage. > > > > > > I'm inclined to agree, especially with how simple this change is and the fact that we already pass the tests. > > > > > > Thoughts? > > > > Why not just write your own test? > > I could, but I would write basically the exact same tests, so I thought it > was duplicate effort for no reward (same code being tested twice). it's helpful to have tests that live outside test262 1659431 8 ysuzuki 2020-06-04 17:35:39 -0700 (In reply to Devin Rousso from comment #6) > (In reply to Saam Barati from comment #5) > > (In reply to Devin Rousso from comment #4) > > > I manually tested the test262 updates in <https://github.com/tc39/test262/pull/2649> and we passed them all :) > > > > > > @yusukesuzuki suggested that I land this rather than wait for the tests so we can get additional fuzzing coverage. > > > > > > I'm inclined to agree, especially with how simple this change is and the fact that we already pass the tests. > > > > > > Thoughts? > > > > Why not just write your own test? > > I could, but I would write basically the exact same tests, so I thought it > was duplicate effort for no reward (same code being tested twice). I like adding these tests into JSTests/stress/ even if test262 has duplicate ones. test262 is shared with other engines. Due to some mistakes in test262, the coverage in JSC can be regressed. One example is this[1]. test262 putted BigInt to utility file and every tests using this utility file failed in JSC even if the test is not using BigInt. I'm seeing very similar issues in WPT, and I think dedicated JSC stress tests is better in terms of regression testing. [1]: https://github.com/tc39/test262/issues/1252 1659687 9 401174 hi 2020-06-05 10:39:20 -0700 Created attachment 401174 Patch Thanks for the feedback @saamyjoon and @yusukesuzuki, I had not considered test262 itself having issues. I've added some test cases to JSTests/stress/logical-assignment-{aoperator-nd,coalesce,or}.js :) 1659714 10 ews-feeder 2020-06-05 12:06:09 -0700 Committed r262638: <https://trac.webkit.org/changeset/262638> All reviewed patches have been landed. Closing bug and clearing flags on attachment 401174. 1659716 11 webkit-bug-importer 2020-06-05 12:08:05 -0700 <rdar://problem/64039177> 400884 2020-06-02 19:33:20 -0700 2020-06-05 10:39:18 -0700 Patch bug-212679-20200602203320.patch text/plain 1972 hi ZGlmZiAtLWdpdCBhL1NvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cgYi9Tb3VyY2UvSmF2 YVNjcmlwdENvcmUvQ2hhbmdlTG9nCmluZGV4IGI0ZmYyMDRjNzgwODMzOTZlN2UzY2EyM2ExM2Vi M2FiMDFlMjE1NzcuLmFkMzg3OTEwYzU2ZDNhMWUyYjU2NWNjZTUyYzFjOTgxMjkzOTE2ZjQgMTAw NjQ0Ci0tLSBhL1NvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKKysrIGIvU291cmNlL0ph dmFTY3JpcHRDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDEzIEBACisyMDIwLTA2LTAyICBEZXZp biBSb3Vzc28gIDxkcm91c3NvQGFwcGxlLmNvbT4KKworICAgICAgICBMb2dpY2FsIEFzc2lnbm1l bnQ6IHBlcmZvcm0gTmFtZWRFdmFsdWF0aW9uIG9mIGFub255bW91cyBmdW5jdGlvbnMKKyAgICAg ICAgaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTIxMjY3OQorCisgICAg ICAgIFJldmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgICogcGFyc2VyL0FTVEJ1 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