Auto-update for 2025-10-15 (#140)

Update repos:

  custom-descriptors:
    WebAssembly/custom-descriptors@4f4c3ef

This change was automatically generated by `update-testsuite.py`

Co-authored-by: WebAssembly/testsuite auto-update <github-actions@users.noreply.github.com>

Author: github-actions[bot]

proposals/custom-descriptors/binary-descriptors.wast

@@ -1,4 +1,3 @@
-
 ;; Descriptor and describes pair.
 (module binary
   "\00asm" "\01\00\00\00"
@@ -17,6 +16,52 @@
   "\00"  ;; Number of fields
 )
 
+;; Cannot have multiple descriptor clauses.
+(assert_malformed
+  (module binary
+    "\00asm" "\01\00\00\00"
+    "\01"  ;; Type section id
+    "\0d"  ;; Type section length
+    "\01"  ;; Types vector length
+    "\4e"  ;; Recursion group
+    "\02"  ;; Rec group size
+    "\4d"  ;; Descriptor
+    "\01"  ;; Descriptor type index
+    "\4d"  ;; Descriptor (repeated)
+    "\01"  ;; Descriptor type index
+    "\5f"  ;; Struct
+    "\00"  ;; Number of fields
+    "\4c"  ;; Describes
+    "\00"  ;; Describes type index
+    "\5f"  ;; Struct
+    "\00"  ;; Number of fields
+  )
+  "malformed definition type"
+)
+
+;; Cannot have multiple describes clauses.
+(assert_malformed
+  (module binary
+    "\00asm" "\01\00\00\00"
+    "\01"  ;; Type section id
+    "\0d"  ;; Type section length
+    "\01"  ;; Types vector length
+    "\4e"  ;; Recursion group
+    "\02"  ;; Rec group size
+    "\4d"  ;; Descriptor
+    "\01"  ;; Descriptor type index
+    "\5f"  ;; Struct
+    "\00"  ;; Number of fields
+    "\4c"  ;; Describes
+    "\00"  ;; Describes type index
+    "\4c"  ;; Describes (repeated)
+    "\00"  ;; Describes type index
+    "\5f"  ;; Struct
+    "\00"  ;; Number of fields
+  )
+  "malformed definition type"
+)
+
 ;; Descriptor chain with three types.
 (module binary
   "\00asm" "\01\00\00\00"