[Webkit-unassigned] [Bug 273180] New: JSC::Wasm::FunctionParser<Context>::parseNestedBlocksEagerly updates m_offset too late

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=273180

            Bug ID: 273180
           Summary: JSC::Wasm::FunctionParser<Context>::parseNestedBlocksE
                    agerly updates m_offset too late
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Enhancement
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: maximilian at igalia.com

JSC::Wasm::FunctionParser<Context>::parseNestedBlocksEagerly updates m_offset only after calling the addBlock callback. The callee JSC::Wasm::IPIntGenerator::addBlock expects m_offset to point to the end of the instruction to produce correct metatadata for block instructions.

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