• Manos Koukoutos's avatar
    [wasm-gc] Preparation for rtt global initializers · 8b9c2ac3
    Manos Koukoutos authored
    Motivation: With rtt.sub now allowed in constant expressions, we have
    to generalize WasmInitExpr to be able to handle expressions with
    operands. This is the second CL that prepares the ground for this
    change.
    
    Changes:
    - Remove the error from read-value-type when reading a generic rtt.
    - Add validation for HeapTypeImmediate in ModuleDecoder. Use it to
      validate null constants immediates, which was missing. Add tests.
    - Change ValueType::name to print rtt depths as integers.
    - Move global initializer building in wasm-module-builder to its own
      function.
    
    Bug: v8:7748
    Change-Id: Ic041e1c7d032f2a1063a21fec1bfe96cb0d8120e
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2284983
    Commit-Queue: Manos Koukoutos <manoskouk@chromium.org>
    Reviewed-by: 's avatarJakob Kummerow <jkummerow@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#68767}
    8b9c2ac3
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