tests/cases/conformance/parser/ecmascript5/MemberAccessorDeclarations/parserMemberAccessorDeclaration16.ts(2,8): error TS1052: A 'set' accessor parameter cannot have an initializer.
==== tests/cases/conformance/parser/ecmascript5/MemberAccessorDeclarations/parserMemberAccessorDeclaration16.ts (1 errors) ====
class C {
set Foo(a = 1) { }
~~~
!!! error TS1052: A 'set' accessor parameter cannot have an initializer.
}