[Webkit-unassigned] [Bug 188790] New: Wrong output when case clause is a conditional expression

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=188790

            Bug ID: 188790
           Summary: Wrong output when case clause is a conditional
                    expression
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: sunlili at ict.ac.cn

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

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