tests/cases/compiler/classHeritageWithTrailingSeparator.ts(2,18): error TS1009: Trailing comma not allowed.


==== tests/cases/compiler/classHeritageWithTrailingSeparator.ts (1 errors) ====
    class C { foo: number }
    class D extends C, {
                     ~
!!! error TS1009: Trailing comma not allowed.
    }