247437 2022-11-03 09:18:58 -0700 `toString` of a generator function is wrong 2023-09-27 13:19:03 -0700 1 1 1 Unclassified WebKit JavaScriptCore WebKit Local Build Unspecified Unspecified RESOLVED DUPLICATE 190501 InRadar P2 Normal --- 1 p51lee webkit-unassigned ashvayka mark.lam webkit-bug-importer ysuzuki oldest_to_newest 1910076 0 p51lee 2022-11-03 09:18:58 -0700 // input.js print ( String(function * () {}) ); __________________________ Hello, The space between `function` and `*` should be retained in the result of toString of the generator function, but JSC removes all the space between them. Running the input.js with JSC prints: --- $ jsc input.js function* () {} --- while other engines behave like: --- # V8 (used console.log) $ node input.js function * () {} # GraalJS $ js input.js function * () {} --- WebKit version: 615.1.10 1910930 1 webkit-bug-importer 2022-11-07 16:31:59 -0800 <rdar://problem/102065151> 1911598 2 ysuzuki 2022-11-10 10:50:23 -0800 *** Bug 247438 has been marked as a duplicate of this bug. *** 1911599 3 ysuzuki 2022-11-10 10:50:34 -0800 This is Function#toString thing feature, which is not implemented. 1980608 4 ashvayka 2023-09-27 13:19:03 -0700 *** This bug has been marked as a duplicate of bug 190501 ***