148179 2015-08-19 10:50:20 -0700 Named IIFE function + ES6 default parameters crashes WebKit 2015-08-26 10:54:08 -0700 1 1 1 Unclassified WebKit JavaScriptCore WebKit Nightly Build All All RESOLVED FIXED InRadar P2 Normal --- 1 tobi+webkit saam bburg ggaren graouts joepeck mattbaker nvasilyev saam timothy webkit-bug-importer ysuzuki oldest_to_newest 1118922 0 tobi+webkit 2015-08-19 10:50:20 -0700 * Version WebKit nightly r188633 * SUMMARY Executing a named IIFE function that uses ES6 default parameters in the console causes a crash. * STEPS TO REPRODUCE 1. Open Console 2. Execute the following snippet (function fn(oo = 'test') { console.log(oo); })() => Crashes the Browser * EXPECTATION Console prints "test" Interestingly an anonymous function works: (function(oo = 'test') { console.log(oo); })() 1118923 1 webkit-bug-importer 2015-08-19 10:51:19 -0700 <rdar://problem/22345949> 1118925 2 259378 bburg 2015-08-19 10:58:32 -0700 Created attachment 259378 Test case This is not an inspector bug. 1120980 3 saam 2015-08-26 10:54:08 -0700 this was fixed in: http://trac.webkit.org/changeset/188926 for bug: https://bugs.webkit.org/show_bug.cgi?id=148400 259378 2015-08-19 10:58:32 -0700 2015-08-19 10:58:32 -0700 Test case named-iife-default-parameters.html text/html 171 bburg PCFkb2N0eXBlIGh0bWw+CjxodG1sPgo8Ym9keT4KPHNjcmlwdD4KKGZ1bmN0aW9uIGZuKG9vID0g J3Rlc3QnKSB7CiAgY29uc29sZS5sb2cob28pOwp9KSgpCjwvc2NyaXB0PgoKPHA+VGVzdGluZyBh IG5hbWVkIElJRkUgd2l0aCBkZWZhdWx0IHBhcmFtZXRlcnMuPC9wPgoKPC9ib2R5Pgo8L2h0bWw+