threads: add validation for constant expressions #1898
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abrown
commented
Nov 7, 2024
| if let Some(id) = unpacked_index.as_core_type_id() { | ||
| types[id].composite_type.shared | ||
| } else { | ||
| todo!() |
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Not sure what to do here — is this actually unreachable?
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I think so yeah, but I think this can also use the types.reftype_is_shared(ty) helper?
Previously, it was possible to use an unshared global to initialize a shared global, table element. This change makes that invalid by propagating sharedness in to the constant expression validator.
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Previously, it was possible to use an unshared global to initialize a shared global, table element. This change makes that invalid by propagating sharedness in to the constant expression validator.