wasm3/wasm3#479 repro

github-479.wat

(module
  (func $main
    loop
      loop
        loop
          loop
            loop
              loop
                loop
                  loop
                    loop
                      loop
                        loop
                          loop
                            loop
                              loop
                                loop
                                  loop
                                    loop
                                      loop
                                        loop
                                          loop
                                            loop
                                              loop
                                                loop
                                                  loop
                                                    call 0
                                                  end
                                                end
                                              end
                                            end
                                          end
                                        end
                                      end
                                    end
                                  end
                                end
                              end
                            end
                          end
                        end
                      end
                    end
                  end
                end
              end
            end
          end
        end
      end
    end)
  (export "main" (func $main)))