[Parser] Fix error message on required reftype #6666
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kripken
approved these changes
Jun 14, 2024
As an abbreviation, a `typeuse` can be given as just a list of parameters and results, in which case it corresponds to the index of the first function type with the same parameters and results. That function type must also be an MVP function type, i.e. it cannot have a nontrivial rec group, be non-final, or have a declared supertype. The parser did not previously implement all of these rules.
Not all uses of the `reftype` parser handled the fact that it returned a `MaybeResult`. Change its name to `maybeReftype`, add a new `reftype` parser that returns an error if there is no reftype, and update all the use sites. Fixes #6655.
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Not all uses of the
reftypeparser handled the fact that it returned aMaybeResult. Change its name tomaybeReftype, add a newreftypeparserthat returns an error if there is no reftype, and update all the use sites.
Fixes #6655.