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Add a test for function subtyping #127

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Merged
merged 1 commit into from
Aug 22, 2025
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Add a test for function subtyping #127

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21 changes: 21 additions & 0 deletions test/core/stack-switching/cont.wast
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Original file line number Diff line number Diff line change
Expand Up @@ -242,6 +242,27 @@
(type $c2 (cont $f2))
)

(assert_invalid
(module
(rec
(type $fA (func))
(type $fB (func))
(type $cont (cont $fA))
)
(elem declare func $b)
(func $a
(drop
(cont.new $cont ;; expects a ref of $fA, not $fB
(ref.func $b)
)
)
)
(func $b (type $fB)
)
)
"type mismatch")


;; Test resume_throw used on the very first execution of a continuation (so the
;; code in the continuation function is never reached).
(module
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