fuzzer: int.toString invoked with String receiver

[rmacnak-google]

// Reduced from:
// The Dart Project Fuzz Tester (1.91).
// Program generated as:
//   dart dartfuzz.dart --seed 929450448 --no-fp --no-ffi --no-flat
// @dart=2.14

import 'dart:collection';
import 'dart:typed_data';

MapEntry<List<int>, Map<String, String>>? var0 = MapEntry<List<int>, Map<String, String>>(Uint16List.fromList(<int>[-25]), <String,String>{
  '' : 'p8',
  'VGiZ+x' : 'n6\u{1f600}',
  'j' : 'hrNI',
  '3@kX)\u{1f600}' : 'TW+Z',
  'D' : '\u2665Yqu',
  'wzBa\u{1f600}h' : '-k'
});
num? var78 = 29;
MapEntry<String, int> var141 = MapEntry<String, int>('\u{1f600}', 16);

MapEntry<Map<bool, int>, MapEntry<bool, int>>? var2896 = MapEntry<Map<bool, int>, MapEntry<bool, int>>(<bool,int>{
  true : -79,
  false : 13,
  true : 35,
  true : -84,
  false : -9223372034707292159
}, MapEntry<bool, int>(true, 0));

main() {
  for (var i = 0; i < 1848; i++) {
    print(var2896);
  }

  print('$var0\n$var78\n$var141\n');
}

$ out/ReleaseIA32/dart fuzz.dart
...
Unhandled exception:
NoSuchMethodError: Class 'String' has no instance method '<'.
Receiver: ")"
Tried calling: <(100)
#0      Object.noSuchMethod (dart:core-patch/object_patch.dart:63:5)
#1      int.toString (dart:core-patch/integers.dart:645:14)
#2      _StringBase._interpolate (dart:core-patch/string_patch.dart:857:23)
#3      MapEntry.toString (dart:core/map.dart:367:48)
#4      _StringBase._interpolate (dart:core-patch/string_patch.dart:857:23)
#5      main (file:///usr/local/google/home/rmacnak/dart2/sdk/fuzz.dart:33:35)
#6      _delayEntrypointInvocation.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:287:19)
#7      _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:187:12)