Bug 198790

Summary: '\u' should throw an early SyntaxError exception, but instead evaluates to 'u'
Product: WebKit Reporter: Mathias Bynens <mathias>
Component: JavaScriptCoreAssignee: Alexey Shvayka <ashvayka>
Status: RESOLVED FIXED    
Severity: Trivial CC: ashvayka, darin, dino, ews-watchlist, keith_miller, koivisto, mark.lam, mathias, msaboff, saam, tzagallo, webkit-bug-importer, ysuzuki
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: All   
OS: All   
See Also: https://bugs.webkit.org/show_bug.cgi?id=144377
Attachments:
Description Flags
Patch
none
Patch
none
Patch none

Mathias Bynens
Reported 2019-06-12 08:37:25 PDT
$ eshost -se '"\u"' #### Chakra SyntaxError: Expected hexadecimal digit #### JavaScriptCore u #### SpiderMonkey SyntaxError: malformed Unicode character escape sequence: #### V8, V8 --harmony SyntaxError: Invalid Unicode escape sequence #### xs SyntaxError: invalid escape sequence
Attachments
Patch (9.58 KB, patch)
2020-04-04 03:56 PDT, Alexey Shvayka 		no flags
DetailsFormatted DiffDiff
Patch (10.59 KB, patch)
2020-04-04 08:13 PDT, Alexey Shvayka 		no flags
DetailsFormatted DiffDiff
Patch (11.65 KB, patch)
2020-04-04 10:56 PDT, Alexey Shvayka 		no flags
DetailsFormatted DiffDiff
Show Obsolete (2) View All Add attachment proposed patch, testcase, etc.
Alexey Shvayka
Comment 1 2020-04-04 03:56:16 PDT
Created attachment 395444 [details] Patch
Alexey Shvayka
Comment 2 2020-04-04 08:13:41 PDT
Created attachment 395448 [details] Patch Adjust old Mozilla test.
Mark Lam
Comment 3 2020-04-04 09:35:25 PDT
Comment on attachment 395448 [details] Patch r- for now because a JSC test is still failing. Please check the other bots as well to make sure their failures are not related.
Alexey Shvayka
Comment 4 2020-04-04 10:56:55 PDT
Created attachment 395458 [details] Patch Array/15.4.5.1-1.js failures turned out to be related after all, adjust it.
Yusuke Suzuki
Comment 5 2020-04-04 12:33:04 PDT
Comment on attachment 395458 [details] Patch r=me
EWS
Comment 6 2020-04-04 12:36:37 PDT
Committed r259536: <https://trac.webkit.org/changeset/259536> All reviewed patches have been landed. Closing bug and clearing flags on attachment 395458 [details].
Radar WebKit Bug Importer
Comment 7 2020-04-04 12:37:12 PDT
<rdar://problem/61301054>
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