[Webkit-unassigned] [Bug 194375] New: [JSC] sizeof(JSString) should be 16

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=194375

            Bug ID: 194375
           Summary: [JSC] sizeof(JSString) should be 16
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ysuzuki at apple.com

Discussed with Keith. Currently, JSString takes 24bytes. Because of GC size classes, it becomes 32bytes.
But some members are just copy of things in StringImpl. We should remove length and flags fields from JSString to make it fit in 16bytes.

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