tests/cases/conformance/es6/Symbols/symbolProperty7.ts(2,5): error TS1166: A computed property name in a class property declaration must directly refer to a built-in symbol. tests/cases/conformance/es6/Symbols/symbolProperty7.ts(3,5): error TS1166: A computed property name in a class property declaration must directly refer to a built-in symbol. ==== tests/cases/conformance/es6/Symbols/symbolProperty7.ts (2 errors) ==== class C { [Symbol()] = 0; ~~~~~~~~~~ !!! error TS1166: A computed property name in a class property declaration must directly refer to a built-in symbol. [Symbol()]: number; ~~~~~~~~~~ !!! error TS1166: A computed property name in a class property declaration must directly refer to a built-in symbol. [Symbol()]() { } get [Symbol()]() { return 0; } }