[Webkit-unassigned] [Bug 210650] New: [JSC] FOR_EACH_CLOOP_BYTECODE_HELPER_ID should not be included in OpcodeID

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=210650

            Bug ID: 210650
           Summary: [JSC] FOR_EACH_CLOOP_BYTECODE_HELPER_ID should not be
                    included in OpcodeID
           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

We only have 9 opcode space up to 256. If it exceeds 256, JSC is broken.
Even if we support two-level indirection mechanism to offer larger space of opcode, we know that this type of opcode offers significantly slower performance. (I know that in some bug).
We should remove unnecessary things from Bytecodes.

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