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 TS2539: Cannot assign to 'eval' because it is not a variable. ==== tests/cases/conformance/parser/ecmascript5/StrictMode/parserStrictMode6.ts (2 errors) ==== "use strict"; eval++; ~~~~ !!! error TS1100: Invalid use of 'eval' in strict mode. ~~~~ !!! error TS2539: Cannot assign to 'eval' because it is not a variable.