tests/cases/compiler/forInStatement7.ts(3,6): error TS2405: The left-hand side of a 'for...in' statement must be of type 'string' or 'any'.


==== tests/cases/compiler/forInStatement7.ts (1 errors) ====
    var a: number;
    var expr: any;
    for (a in expr) {
         ~
!!! error TS2405: The left-hand side of a 'for...in' statement must be of type 'string' or 'any'.
    }