anchor.diff:  // Version of DartFuzz. Increase this each time changes are made
   // to preserve the property that a given version of DartFuzz yields
   // the same fuzzed program for a deterministic random seed.
  -const String version = '1.33';
  +const String version = '1.34';
   
   // Restriction on statements and expressions.
   const int stmtLength = 2;
  
positive.code:     }
    }
  
    void emitScalarVar(DartType tp, {bool isLhs = false}) {
      // Collect all choices from globals, fields, locals, and parameters.
      Set<String> choices = <String>{};
      for (int i = 0; i < globalVars.length; i++) {
  
negative.code:   bool emitForEach(int depth) {
      final int i = localVars.length;
      emitLn("", newline: false);
      final emittedVar = emitScalarVar(DartType.INT_STRING_MAP, isLhs: false);
      iterVars.add(emittedVar);
      emit('.forEach(($localName$i, $localName${i + 1}) {\n');
      indent += 2;
      final int nestTmp = nest;
  