tests/cases/compiler/duplicateVariablesWithAny.ts(3,5): error TS2403: Subsequent variable declarations must have the same type. Variable 'x' must be of type 'any', but here has type 'number'. tests/cases/compiler/duplicateVariablesWithAny.ts(6,5): error TS2403: Subsequent variable declarations must have the same type. Variable 'y' must be of type 'string', but here has type 'any'. tests/cases/compiler/duplicateVariablesWithAny.ts(10,9): error TS2403: Subsequent variable declarations must have the same type. Variable 'x' must be of type 'any', but here has type 'number'. tests/cases/compiler/duplicateVariablesWithAny.ts(13,9): error TS2403: Subsequent variable declarations must have the same type. Variable 'y' must be of type 'string', but here has type 'any'. ==== tests/cases/compiler/duplicateVariablesWithAny.ts (4 errors) ==== // They should have to be the same even when one of the types is 'any' var x: any; var x = 2; //error ~ !!! error TS2403: Subsequent variable declarations must have the same type. Variable 'x' must be of type 'any', but here has type 'number'. var y = ""; var y; //error ~ !!! error TS2403: Subsequent variable declarations must have the same type. Variable 'y' must be of type 'string', but here has type 'any'. module N { var x: any; var x = 2; //error ~ !!! error TS2403: Subsequent variable declarations must have the same type. Variable 'x' must be of type 'any', but here has type 'number'. var y = ""; var y; //error ~ !!! error TS2403: Subsequent variable declarations must have the same type. Variable 'y' must be of type 'string', but here has type 'any'. } var z: any; var z; // ok