240243 2022-05-09 11:25:39 -0700 TestAPI::promiseUnhandledRejection() predominantly fails on MacOS 12.3 in --debug 2022-05-25 11:14:03 -0700 1 1 1 Unclassified WebKit Tools / Tests WebKit Nightly Build Mac (Apple Silicon) macOS 12 RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=161942 InRadar P2 Normal --- 1 tsavell ashvayka ap ashvayka ews-watchlist keith_miller mark.lam msaboff saam tzagallo webkit-bot-watchers-bugzilla webkit-bug-importer ysuzuki oldest_to_newest 1867701 0 tsavell 2022-05-09 11:25:39 -0700 testapi This test is flaky failing for a long time in history. I do not have a regression point. History: https://results.webkit.org/?suite=javascriptcore-tests&test=testapi build: https://build.webkit.org/#/builders/378/builds/1036 1867702 1 webkit-bug-importer 2022-05-09 11:26:03 -0700 <rdar://problem/92975620> 1867767 2 ap 2022-05-09 13:45:01 -0700 I'm not entirely sure how to interpret testapi output, but looks like there is more that one failure: callback should receive rejected promise as first argument: FAILED callback should receive rejection reason as second argument: FAILED callback should not receive a third argument: PASSED C-API tests in C++ had 2 failures ASSERTION FAILED: !testCAPIViaCpp(filter) /Volumes/Data/worker/Apple-Monterey-Debug-Build/build/Source/JavaScriptCore/API/tests/testapi.c(1409) : int main(int, char **) 1 0x112cb4ab0 WTFCrash 2 0x100823f80 main 3 0x100ced088 1867779 3 mark.lam 2022-05-09 14:34:48 -0700 I've also seen this fail intermittently on a Release build on M1 (when testapi is run while some heavy load is running in the background like a WebKit build). I've never seen it on a Debug build yet. 1871210 4 ryanhaddad 2022-05-23 09:18:07 -0700 *** Bug 240804 has been marked as a duplicate of this bug. *** 1871322 5 459688 ashvayka 2022-05-23 15:16:53 -0700 Created attachment 459688 Patch 1871340 6 459688 mark.lam 2022-05-23 16:09:05 -0700 Comment on attachment 459688 Patch LGTM 1871535 7 459728 ashvayka 2022-05-24 11:15:36 -0700 Created attachment 459728 Patch for landing 1871618 8 mark.lam 2022-05-24 16:51:45 -0700 https://github.com/WebKit/WebKit/pull/989 1871785 9 ews-feeder 2022-05-25 11:14:00 -0700 Committed r294811 (250965@main): <https://commits.webkit.org/250965@main> Reviewed commits have been landed. Closing PR #989 and removing active labels. 459688 2022-05-23 15:16:53 -0700 2022-05-24 11:15:32 -0700 Patch bug-240243-20220524001652.patch text/plain 2242 ashvayka RnJvbSBhMDBjYTZjYzhiM2I3ZTE5OWQ3MjEwMTU3MmRiYjNiOWJiZmNhOWQxIE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQpGcm9tOiBBbGV4ZXkgU2h2YXlrYSA8c2h2YWlrYWxlc2hAZ21haWwuY29t PgpEYXRlOiBUdWUsIDI0IE1heSAyMDIyIDAwOjE0OjQ3ICswMjAwClN1YmplY3Q6IFtQQVRDSF0g VGVzdEFQSTo6cHJvbWlzZVVuaGFuZGxlZFJlamVjdGlvbigpIHByZWRvbWluYW50bHkgZmFpbHMg b24KIE1hY09TIDEyLjMgaW4gLS1kZWJ1ZyBodHRwczovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1 Zy5jZ2k/aWQ9MjQwMjQzCiA8cmRhcjovLzkyOTc1NjIwPgoKUmV2aWV3ZWQgYnkgTk9CT0RZIChP T1BTISkuCgpUaGUgZmFpbHVyZXMgYXJlIGNhdXNlZCBieSBhbiB1bmhhbmRsZWQgcmVqZWN0aW9u LCBvcmlnaW5hdGVkIGluIFRlc3RBUEk6OnByb21pc2VEcmFpbkRvZXNOb3RFYXRFeGNlcHRpb25z KCksCmVuZGluZyB1cCBpbiB0aGUgY2FsbGJhY2sgb2YgVGVzdEFQSTo6cHJvbWlzZVVuaGFuZGxl ZFJlamVjdGlvbigpLCB3aXRoIHVuZXhwZWN0ZWQgcHJvbWlzZSAvIHJlYXNvbi4KClRoYXQgaXMs 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