// expected: method T.M already declared
//
// A method declared twice is a redeclaration, the same error go/types reports.
// The top-level check landed first and covered functions only: stage4 compiled
// the second body away and answered 1 where legacy refuses the package.
package main

type T struct{ n int32 }

func (t *T) M() (r int32) { return 1 }

func (t *T) M() (r int32) { return 2 }

func main() {
	x := &T{}
	println(x.M())
}