;;; TOOL: run-objdump-gen-wasm
;;; ARGS1: -x
magic
version
section(TYPE) {
  count[1]
  function params[0] results[1] i32
}
section(FUNCTION) {
  count[1]
  type[0]
}
section(MEMORY) {
  count[1]
  has_max[0]
  initial[0]
}
section("metadata.code.test") {
  function_count[2]
  function_index[0]
  ann_count[1]
  ann_offset[1]
  ann_data_size[1]
  ann_data[1]
  function_index[0]
  ann_count[0]
}

section(CODE) {
  count[1]
  func {
    local_decls[0]
    i32.const 1
    return
  }
}

(;; STDERR ;;;
0000034: warning: duplicate function index: 0
;;; STDERR ;;)
(;; STDOUT ;;;

bad-code-metadata-function-duplicate.wasm:	file format wasm 0x1

Section Details:

Type[1]:
 - type[0] () -> i32
Function[1]:
 - func[0] sig=0
Memory[1]:
 - memory[0] pages: initial=0
Custom:
 - name: "metadata.code.test"
   - func[0]:
    - meta[1]:
     - 0000000: 01                                       .
Code[1]:
 - func[0] size=5

Code Disassembly:

000039 func[0]:
 00003a: 41 01                      | i32.const 1
 00003c: 0f                         | return
 00003d: 0b                         | end
;;; STDOUT ;;)