• Leszek Swirski's avatar
    Revert "[wasm] Ensure that only TurboFan code is serialized" · cf325b5a
    Leszek Swirski authored
    This reverts commit 60ee70bb.
    
    Reason for revert: wasm-api-tests/WasmCapiTest.Serialize starts flaking: https://crbug.com/v8/10784
    
    Original change's description:
    > [wasm] Ensure that only TurboFan code is serialized
    > 
    > We have the implicit assumption that Liftoff code will never be
    > serialized, and we start relying on that when implementing new features
    > (debugging, dynamic tiering).
    > 
    > This CL makes the serializer fail if the module contains any Liftoff
    > code. Existing tests are changed to ensure that we fully tiered up
    > before serializing a module (similar to the logic in Chromium).
    > The "wasm-clone-module" test needs to serialize the module before
    > enabling the debugger.
    > 
    > Note that chrome currently only serializes a module after it fully
    > tiered up, so that should be fine. If other embedders need the ability
    > to serialize a module in an arbitrary state, we will have to fix this
    > later. With this CL we will be on the safe side though and (gracefully)
    > fail serialization instead of accidentally serializing Liftoff code.
    > 
    > R=​ahaas@chromium.org
    > 
    > Bug: v8:10777
    > Change-Id: I1245e5f7fda3447a544c1e3525e1239cde759174
    > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2336799
    > Commit-Queue: Clemens Backes <clemensb@chromium.org>
    > Reviewed-by: Andreas Haas <ahaas@chromium.org>
    > Cr-Commit-Position: refs/heads/master@{#69276}
    
    TBR=ahaas@chromium.org,clemensb@chromium.org
    
    Change-Id: Ic1349375bd562bb0a2724c39c27ef3247461c97b
    No-Presubmit: true
    No-Tree-Checks: true
    No-Try: true
    Bug: v8:10777
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2342845Reviewed-by: 's avatarLeszek Swirski <leszeks@chromium.org>
    Commit-Queue: Leszek Swirski <leszeks@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#69284}
    cf325b5a
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