Test that br_on_cast{_fail} must do a down cast

Add tests checking for validation failures if the output type of br_on_cast or br_on_cast_fail is not a subtype of the input type.
WebAssembly · Sep 12, 2023 · c27610d · c27610d
1 parent 5a85356
commit c27610d
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diff --git a/test/core/gc/br_on_cast.wast b/test/core/gc/br_on_cast.wast
@@ -249,3 +249,11 @@
   )
   "type mismatch"
 )
+(assert_invalid
+  (module
+    (func (result anyref)
+      (br_on_cast 0 eqref anyref (unreachable))
+    )
+  )
+  "type mismatch"
+)
diff --git a/test/core/gc/br_on_cast_fail.wast b/test/core/gc/br_on_cast_fail.wast
@@ -264,3 +264,11 @@
   )
   "type mismatch"
 )
+(assert_invalid
+  (module
+    (func (result anyref)
+      (br_on_cast_fail 0 eqref anyref (unreachable))
+    )
+  )
+  "type mismatch"
+)