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Source file src/cmd/link/internal/ld/testdata/deadcode/ifacemethod4.go

Documentation: cmd/link/internal/ld/testdata/deadcode

     1  // Copyright 2020 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // Test that a live type's method is not live even if
     6  // it matches an interface method, as long as the interface
     7  // method is not used.
     8  
     9  package main
    10  
    11  type T int
    12  
    13  //go:noinline
    14  func (T) M() {}
    15  
    16  type I interface{ M() }
    17  
    18  var p *T
    19  var pp *I
    20  
    21  func main() {
    22  	p = new(T)  // use type T
    23  	pp = new(I) // use type I
    24  	*pp = *p    // convert T to I, build itab
    25  }
    26  

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