222490 2021-02-26 13:17:51 -0800 [JSC] Avoid function allocations for non-user-provided Promise then callbacks 2021-02-26 16:38:14 -0800 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 ysuzuki ysuzuki keith_miller webkit-bug-importer oldest_to_newest 1733956 0 ysuzuki 2021-02-26 13:17:51 -0800 [JSC] Avoid function allocations for non-user-provided Promise then callbacks 1733958 1 421703 ysuzuki 2021-02-26 13:19:24 -0800 Created attachment 421703 Patch 1734068 2 ews-feeder 2021-02-26 16:37:38 -0800 Committed r273605: <https://commits.webkit.org/r273605> All reviewed patches have been landed. Closing bug and clearing flags on attachment 421703. 1734069 3 webkit-bug-importer 2021-02-26 16:38:14 -0800 <rdar://problem/74813584> 421703 2021-02-26 13:19:24 -0800 2021-02-26 16:37:38 -0800 Patch bug-222490-20210226131923.patch text/plain 2268 ysuzuki U3VidmVyc2lvbiBSZXZpc2lvbjogMjczNTgxCmRpZmYgLS1naXQgYS9Tb3VyY2UvSmF2YVNjcmlw dENvcmUvQ2hhbmdlTG9nIGIvU291cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwppbmRleCAw YzMxYTVlM2NjMWFjNzk4ZjAxMDNmYzIyNDg5Y2Y0ODRkYmZlNjQ4Li45N2MwM2RhNTZjZDJhOWQ5 YTU0NzYwOWNkYWQyODZmMzg0NzI2YTY1IDEwMDY0NAotLS0gYS9Tb3VyY2UvSmF2YVNjcmlwdENv cmUvQ2hhbmdlTG9nCisrKyBiL1NvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKQEAgLTEs MyArMSwyMCBAQAorMjAyMS0wMi0yNiAgWXVzdWtlIFN1enVraSAgPHlzdXp1a2lAYXBwbGUuY29t PgorCisgICAgICAgIFtKU0NdIEF2b2lkIGZ1bmN0aW9uIGFsbG9jYXRpb25zIGZvciBub24tdXNl ci1wcm92aWRlZCBQcm9taXNlIHRoZW4gY2FsbGJhY2tzCisgICAgICAgIGh0dHBzOi8vYnVncy53 ZWJraXQub3JnL3Nob3dfYnVnLmNnaT9pZD0yMjI0OTAKKworICAgICAgICBSZXZpZXdlZCBieSBO T0JPRFkgKE9PUFMhKS4KKworICAgICAgICBBdCBAcGVyZm9ybVByb21pc2VUaGVuIHBvaW50LCBj YWxsYmFjayBmdW5jdGlvbiBvYmplY3RzIHRoZW1zZWx2ZXMgYXJlIG5vdCBhY2Nlc3NpYmxlIGZy b20gdXNlcnMKKyAgICAgICAgaWYgdGhleSBhcmUgbm90IHBhc3NlZCBmcm9tIHVzZXJzLiBTbywg d2UgY2FuIHJldXNlIGZ1bmN0aW9ucyBpZiB1c2VycyBkbyBub3QgcGFzcyBmdW5jdGlvbnMuCisK KyAgICAgICAgKiBidWlsdGlucy9Qcm9taXNlT3BlcmF0aW9ucy5qczoKKyAgICAgICAgKGdsb2Jh bFByaXZhdGUucHJvbWlzZUVtcHR5T25GdWxmaWxsZWQpOgorICAgICAgICAoZ2xvYmFsUHJpdmF0 ZS5wcm9taXNlRW1wdHlPblJlamVjdGVkKToKKyAgICAgICAgKGdsb2JhbFByaXZhdGUucGVyZm9y bVByb21pc2VUaGVuKToKKyAgICAgICAgKG9uRnVsZmlsbGVkKTogRGVsZXRlZC4KKyAgICAgICAg KG9uUmVqZWN0ZWQpOiBEZWxldGVkLgorCiAyMDIxLTAyLTI1ICBZdXN1a2UgU3V6dWtpICA8eXN1 enVraUBhcHBsZS5jb20+CiAKICAgICAgICAgW0pTQ10gRml4IHR5cG8gaW4gd2FzbSBlcnJvciBt ZXNzYWdlCmRpZmYgLS1naXQgYS9Tb3VyY2UvSmF2YVNjcmlwdENvcmUvYnVpbHRpbnMvUHJvbWlz ZU9wZXJhdGlvbnMuanMgYi9Tb3VyY2UvSmF2YVNjcmlwdENvcmUvYnVpbHRpbnMvUHJvbWlzZU9w ZXJhdGlvbnMuanMKaW5kZXggMGVjOTNmMTk5ZWRiNTJjMWRhNjA2OTYxYWZjNjMxZGJiYzEyM2Q3 ZS4uNzVmZmYxN2NhYWM3YTY4MWIxOTU0MThhNGYzYTgwYzE5ZjMxZWYxNiAxMDA2NDQKLS0tIGEv U291cmNlL0phdmFTY3JpcHRDb3JlL2J1aWx0aW5zL1Byb21pc2VPcGVyYXRpb25zLmpzCisrKyBi L1NvdXJjZS9KYXZhU2NyaXB0Q29yZS9idWlsdGlucy9Qcm9taXNlT3BlcmF0aW9ucy5qcwpAQCAt NTE5LDE2ICs1MTksMzIgQEAgZnVuY3Rpb24gcHJvbWlzZVJlc29sdmVUaGVuYWJsZUpvYldpdGhE ZXJpdmVkUHJvbWlzZSh0aGVuYWJsZSwgY29uc3RydWN0b3IsIHJlc28KICAgICB9CiB9CiAKK0Bn bG9iYWxQcml2YXRlCitmdW5jdGlvbiBwcm9taXNlRW1wdHlPbkZ1bGZpbGxlZChhcmd1bWVudCkK K3sKKyAgICAidXNlIHN0cmljdCI7CisKKyAgICByZXR1cm4gYXJndW1lbnQ7Cit9CisKK0BnbG9i YWxQcml2YXRlCitmdW5jdGlvbiBwcm9taXNlRW1wdHlPblJlamVjdGVkKGFyZ3VtZW50KQorewor ICAgICJ1c2Ugc3RyaWN0IjsKKworICAgIHRocm93IGFyZ3VtZW50OworfQorCiBAZ2xvYmFsUHJp dmF0ZQogZnVuY3Rpb24gcGVyZm9ybVByb21pc2VUaGVuKHByb21pc2UsIG9uRnVsZmlsbGVkLCBv blJlamVjdGVkLCBwcm9taXNlT3JDYXBhYmlsaXR5KQogewogICAgICJ1c2Ugc3RyaWN0IjsKIAog ICAgIGlmICghQGlzQ2FsbGFibGUob25GdWxmaWxsZWQpKQotICAgICAgICBvbkZ1bGZpbGxlZCA9 IGZ1bmN0aW9uIChhcmd1bWVudCkgeyByZXR1cm4gYXJndW1lbnQ7IH07CisgICAgICAgIG9uRnVs ZmlsbGVkID0gQHByb21pc2VFbXB0eU9uRnVsZmlsbGVkOwogCiAgICAgaWYgKCFAaXNDYWxsYWJs ZShvblJlamVjdGVkKSkKLSAgICAgICAgb25SZWplY3RlZCA9IGZ1bmN0aW9uIChhcmd1bWVudCkg eyB0aHJvdyBhcmd1bWVudDsgfTsKKyAgICAgICAgb25SZWplY3RlZCA9IEBwcm9taXNlRW1wdHlP blJlamVjdGVkOwogCiAgICAgdmFyIHJlYWN0aW9uID0gQG5ld1Byb21pc2VSZWFjdGlvbihwcm9t aXNlT3JDYXBhYmlsaXR5LCBvbkZ1bGZpbGxlZCwgb25SZWplY3RlZCk7CiAK