==== tests/cases/compiler/genericSignatureInheritance2.ts (1 errors) ====
    interface I {
        <T>(x: T): string;
    }
    
    interface I2 extends I { 
              ~~
!!! genericSignatureInheritance2.ts(5,11): error TS2143: Interface 'I2' cannot extend interface 'I':
!!! 	Call signatures of types 'I2' and 'I' are incompatible.
        <T>(x: T): void;
    }
    