| Index: src/typing.cc | 
| diff --git a/src/typing.cc b/src/typing.cc | 
| index eddf4c3501e577c9dac14100c46477b853ae6379..1598c09b59b77f23402f418d3fce0d5263df2727 100644 | 
| --- a/src/typing.cc | 
| +++ b/src/typing.cc | 
| @@ -655,7 +655,7 @@ void AstTyper::VisitBinaryOperation(BinaryOperation* expr) { | 
| Type* type; | 
| Type* left_type; | 
| Type* right_type; | 
| -  Maybe<int> fixed_right_arg; | 
| +  Maybe<int> fixed_right_arg = Nothing<int>(); | 
| Handle<AllocationSite> allocation_site; | 
| oracle()->BinaryType(expr->BinaryOperationFeedbackId(), | 
| &left_type, &right_type, &type, &fixed_right_arg, | 
|  |