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tests/cases/compiler/generics5.ts(10,14): error TS2344: Type 'A' does not satisfy the constraint 'B'.
Property 'b' is missing in type 'A' but required in type 'B'.
==== tests/cases/compiler/generics5.ts (1 errors) ====
interface A { a: string; }
interface B extends A { b: string; }
interface C extends B { c: string; }
interface G<T, U extends B> {
}
var v3: G<A, A>; // Error, A not valid argument for U
~
!!! error TS2344: Type 'A' does not satisfy the constraint 'B'.
!!! error TS2344: Property 'b' is missing in type 'A' but required in type 'B'.
!!! related TS2728 tests/cases/compiler/generics5.ts:2:25: 'b' is declared here.
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