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Joe Savona
05a8b6a717
This PR gets a first fixture working end-to-end with the new mutability and aliasing model. Key changes:
* Add a feature flag to enable the model. When enabled we no longer call InferReferenceEffects or InferMutableRanges, and instead use the new equivalents.
* Adds a pass that infers Place-specific effects based on mutable ranges and instruction effects. This is necessary to satisfy existing code that requires operand effects to be populated.
* Adds a pass that infers the outwardly-visible capturing/aliasing behavior of a function expression. The idea is that this can bubble up and be used in conjunction with the `Apply` effect to get precise inference of things like `array.map(() => { ... })`.
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