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//+build ignore
package main
// Test of interface calls. None of the concrete types are ever
// instantiated or converted to interfaces.
type I interface {
f()
}
type J interface {
f()
g()
}
type C int // implements I
func (*C) f()
type D int // implements I and J
func (*D) f()
func (*D) g()
func one(i I, j J) {
i.f() // calls *C and *D
}
func two(i I, j J) {
j.f() // calls *D (but not *C, even though it defines method f)
}
func three(i I, j J) {
j.g() // calls *D
}
func four(i I, j J) {
Jf := J.f
if unknown {
Jf = nil // suppress SSA constant propagation
}
Jf(nil) // calls *D
}
func five(i I, j J) {
jf := j.f
if unknown {
jf = nil // suppress SSA constant propagation
}
jf() // calls *D
}
var unknown bool
// WANT:
// Dynamic calls
// (J).f$bound --> (*D).f
// (J).f$thunk --> (*D).f
// five --> (J).f$bound
// four --> (J).f$thunk
// one --> (*C).f
// one --> (*D).f
// three --> (*D).g
// two --> (*D).f
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