[Webkit-unassigned] [Bug 191724] New: ASSERTION FAILED: m_lastOpcodeID == op_end || (m_lastOpcodeID == m_lastInstruction->opcodeID() && m_writer.position() == m_lastInstruction.offset() + m_lastInstruction->size())

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=191724

            Bug ID: 191724
           Summary: ASSERTION FAILED: m_lastOpcodeID == op_end ||
                    (m_lastOpcodeID == m_lastInstruction->opcodeID() &&
                    m_writer.position() == m_lastInstruction.offset() +
                    m_lastInstruction->size())
           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: tzagallo at apple.com

Since https://bugs.webkit.org/show_bug.cgi?id=187373, we were not restoring m_lastInstruction after patching the bytecode when finalizing StructureForInContexts, only m_lastOpcodeID, which led to the assertion failure.

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