188790 2018-08-21 05:53:34 -0700 Wrong output when case clause is a conditional expression 2020-06-07 07:43:17 -0700 1 1 1 Unclassified WebKit JavaScriptCore WebKit Local Build Unspecified Unspecified RESOLVED CONFIGURATION CHANGED InRadar P2 Normal --- 1 sunlili webkit-unassigned ashvayka fpizlo webkit-bug-importer ysuzuki oldest_to_newest 1452052 0 sunlili 2018-08-21 05:53:34 -0700 Executing following code : --------------------------------------------- (function() { var f = 0; switch (f) { case ((f = 1)? 0 : 0): print("pass"); break; default: print(f); print("fail"); break; }; })(); print("BT_FLAG"); ---------------------------------------------- Output should be : pass BT_FLAG However, output of JavaScriptCore is : 1 fail BT_FLAG BT_GROUP 2018/8/21 1660069 1 ashvayka 2020-06-07 07:42:25 -0700 (In reply to sunlili from comment #0) > Output should be : > pass > BT_FLAG As of r262695, JSC is correct. Test: https://trac.webkit.org/browser/webkit/trunk/JSTests/ChakraCore/test/Basics/switch.js?rev=262695#L55. 1660070 2 webkit-bug-importer 2020-06-07 07:43:17 -0700 <rdar://problem/64089530>