[torque] Generalize type argument inference for generic calls
With the arrival of generic structs (https://chromium-review.googlesource.com/c/v8/v8/+/1714868) the existing type inference procedure for generic calls became incomplete, since it could not infer types that were only constrained as part of generic types. For instance, given struct Box<T: Type> { ... } macro unbox<T: type>(box: Box<T>): T the type argument (Smi) at the following call site const box: Box<Smi> = ...; unbox(box); could not be inferred. This CL re-implements the inference procedure and documents the semantics of type argument inference in Torque a bit more clearly. R=tebbi@chromium.org Change-Id: I868f16afbd9864b9c810ac49bc1639b467df939c Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1720812 Commit-Queue: Georg Schmid <gsps@google.com> Reviewed-by: Tobias Tebbi <tebbi@chromium.org> Cr-Commit-Position: refs/heads/master@{#63005}
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src/torque/type-inference.cc
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src/torque/type-inference.h
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