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Make index wait for pending indexerTy

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karl-police 2024-09-13 14:48:31 +02:00
parent a8047b2e46
commit e831ad2ffc
1 changed files with 13 additions and 0 deletions
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13
Analysis/src/TypeFunction.cpp
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@ -2206,6 +2206,19 @@ TypeFunctionReductionResult<TypeId> indexFunctionImpl(
return {std::nullopt, true, {}, {}};
TypeId indexerTy = follow(typeParams.at(1));
// Whether the type is still pending.
//
// TODO: A generalized sanity check function for all type functions?
// But it should be optional for customization
// for functions that specifically need type function
// This here fixes a stack overflow.
// https://github.com/luau-lang/luau/issues/1406
if (isPending(indexerTy, ctx->solver))
{
return {std::nullopt, false, {indexerTy}, {}};
}
std::shared_ptr<const NormalizedType> indexerNormTy = ctx->normalizer->normalize(indexerTy);
// if the indexer failed to normalize, we can't reduce, but know nothing about inhabitance.