tests/cases/conformance/parser/ecmascript5/StrictMode/parserStrictMode6.ts(2,1): error TS1100: Invalid use of 'eval' in strict mode. tests/cases/conformance/parser/ecmascript5/StrictMode/parserStrictMode6.ts(2,1): error TS2356: An arithmetic operand must be of type 'any', 'number' or an enum type. ==== tests/cases/conformance/parser/ecmascript5/StrictMode/parserStrictMode6.ts (2 errors) ==== "use strict"; eval++; ~~~~ !!! error TS1100: Invalid use of 'eval' in strict mode. ~~~~ !!! error TS2356: An arithmetic operand must be of type 'any', 'number' or an enum type.