tests/cases/compiler/inheritanceMemberFuncOverridingAccessor.ts(2,9): error TS1056: Accessors are only available when targeting ECMAScript 5 and higher.
tests/cases/compiler/inheritanceMemberFuncOverridingAccessor.ts(5,9): error TS1056: Accessors are only available when targeting ECMAScript 5 and higher.
tests/cases/compiler/inheritanceMemberFuncOverridingAccessor.ts(10,7): error TS2416: Class 'b' incorrectly extends base class 'a':
Types of property 'x' are incompatible:
Type '() => string' is not assignable to type 'string'.
tests/cases/compiler/inheritanceMemberFuncOverridingAccessor.ts(11,5): error TS2426: Class 'a' defines instance member accessor 'x', but extended class 'b' defines it as instance member function.