tests/cases/conformance/parser/ecmascript5/Statements/parserForStatement5.ts(1,6): error TS2405: The left-hand side of a 'for...in' statement must be of type 'string' or 'any'.
tests/cases/conformance/parser/ecmascript5/Statements/parserForStatement5.ts(1,12): error TS2304: Cannot find name 'b'.