=== tests/cases/compiler/genericArgumentCallSigAssignmentCompat.ts ===
module Underscore {
>Underscore : any, Symbol(Underscore, Decl(genericArgumentCallSigAssignmentCompat.ts, 0, 0))

    export interface Iterator<T, U> {
>Iterator : Iterator<T, U>, Symbol(Iterator, Decl(genericArgumentCallSigAssignmentCompat.ts, 0, 19))
>T : T, Symbol(T, Decl(genericArgumentCallSigAssignmentCompat.ts, 1, 30))
>U : U, Symbol(U, Decl(genericArgumentCallSigAssignmentCompat.ts, 1, 32))

        (value: T, index: any, list: any): U;
>value : T, Symbol(value, Decl(genericArgumentCallSigAssignmentCompat.ts, 2, 9))
>T : T, Symbol(T, Decl(genericArgumentCallSigAssignmentCompat.ts, 1, 30))
>index : any, Symbol(index, Decl(genericArgumentCallSigAssignmentCompat.ts, 2, 18))
>list : any, Symbol(list, Decl(genericArgumentCallSigAssignmentCompat.ts, 2, 30))
>U : U, Symbol(U, Decl(genericArgumentCallSigAssignmentCompat.ts, 1, 32))
    }
 
    export interface Static {
>Static : Static, Symbol(Static, Decl(genericArgumentCallSigAssignmentCompat.ts, 3, 5))

        all<T>(list: T[], iterator?: Iterator<T, boolean>, context?: any): boolean;
>all : <T>(list: T[], iterator?: Iterator<T, boolean>, context?: any) => boolean, Symbol(all, Decl(genericArgumentCallSigAssignmentCompat.ts, 5, 29))
>T : T, Symbol(T, Decl(genericArgumentCallSigAssignmentCompat.ts, 6, 12))
>list : T[], Symbol(list, Decl(genericArgumentCallSigAssignmentCompat.ts, 6, 15))
>T : T, Symbol(T, Decl(genericArgumentCallSigAssignmentCompat.ts, 6, 12))
>iterator : Iterator<T, boolean>, Symbol(iterator, Decl(genericArgumentCallSigAssignmentCompat.ts, 6, 25))
>Iterator : Iterator<T, U>, Symbol(Iterator, Decl(genericArgumentCallSigAssignmentCompat.ts, 0, 19))
>T : T, Symbol(T, Decl(genericArgumentCallSigAssignmentCompat.ts, 6, 12))
>context : any, Symbol(context, Decl(genericArgumentCallSigAssignmentCompat.ts, 6, 58))

        identity<T>(value: T): T;
>identity : <T>(value: T) => T, Symbol(identity, Decl(genericArgumentCallSigAssignmentCompat.ts, 6, 83))
>T : T, Symbol(T, Decl(genericArgumentCallSigAssignmentCompat.ts, 7, 17))
>value : T, Symbol(value, Decl(genericArgumentCallSigAssignmentCompat.ts, 7, 20))
>T : T, Symbol(T, Decl(genericArgumentCallSigAssignmentCompat.ts, 7, 17))
>T : T, Symbol(T, Decl(genericArgumentCallSigAssignmentCompat.ts, 7, 17))
    }
}
 
declare var _: Underscore.Static;
>_ : Underscore.Static, Symbol(_, Decl(genericArgumentCallSigAssignmentCompat.ts, 11, 11))
>Underscore : any, Symbol(Underscore, Decl(genericArgumentCallSigAssignmentCompat.ts, 0, 0))
>Static : Underscore.Static, Symbol(Underscore.Static, Decl(genericArgumentCallSigAssignmentCompat.ts, 3, 5))
 
// No error, Call signatures of types '<T>(value: T) => T' and 'Underscore.Iterator<{}, boolean>' are compatible when instantiated with any.
// Ideally, we would not have a generic signature here, because it should be instantiated with {} during inferential typing
_.all([true, 1, null, 'yes'], _.identity);
>_.all([true, 1, null, 'yes'], _.identity) : boolean
>_.all : <T>(list: T[], iterator?: Underscore.Iterator<T, boolean>, context?: any) => boolean, Symbol(Underscore.Static.all, Decl(genericArgumentCallSigAssignmentCompat.ts, 5, 29))
>_ : Underscore.Static, Symbol(_, Decl(genericArgumentCallSigAssignmentCompat.ts, 11, 11))
>all : <T>(list: T[], iterator?: Underscore.Iterator<T, boolean>, context?: any) => boolean, Symbol(Underscore.Static.all, Decl(genericArgumentCallSigAssignmentCompat.ts, 5, 29))
>[true, 1, null, 'yes'] : (string | number | boolean)[]
>true : boolean
>1 : number
>null : null
>'yes' : string
>_.identity : <T>(value: T) => T, Symbol(Underscore.Static.identity, Decl(genericArgumentCallSigAssignmentCompat.ts, 6, 83))
>_ : Underscore.Static, Symbol(_, Decl(genericArgumentCallSigAssignmentCompat.ts, 11, 11))
>identity : <T>(value: T) => T, Symbol(Underscore.Static.identity, Decl(genericArgumentCallSigAssignmentCompat.ts, 6, 83))
 
// Ok, because fixing makes us infer boolean for T
_.all([true], _.identity);
>_.all([true], _.identity) : boolean
>_.all : <T>(list: T[], iterator?: Underscore.Iterator<T, boolean>, context?: any) => boolean, Symbol(Underscore.Static.all, Decl(genericArgumentCallSigAssignmentCompat.ts, 5, 29))
>_ : Underscore.Static, Symbol(_, Decl(genericArgumentCallSigAssignmentCompat.ts, 11, 11))
>all : <T>(list: T[], iterator?: Underscore.Iterator<T, boolean>, context?: any) => boolean, Symbol(Underscore.Static.all, Decl(genericArgumentCallSigAssignmentCompat.ts, 5, 29))
>[true] : boolean[]
>true : boolean
>_.identity : <T>(value: T) => T, Symbol(Underscore.Static.identity, Decl(genericArgumentCallSigAssignmentCompat.ts, 6, 83))
>_ : Underscore.Static, Symbol(_, Decl(genericArgumentCallSigAssignmentCompat.ts, 11, 11))
>identity : <T>(value: T) => T, Symbol(Underscore.Static.identity, Decl(genericArgumentCallSigAssignmentCompat.ts, 6, 83))