bug401.go

     1  // run
     2  
     3  // Copyright 2011 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  // Issue 2582
     8  package main
     9  
    10  type T struct{}
    11  
    12  //go:noinline
    13  func (T) cplx() complex128 {
    14  	return complex(1, 0)
    15  }
    16  
    17  func (T) cplx2() complex128 {
    18  	return complex(0, 1)
    19  }
    20  
    21  type I interface {
    22  	cplx() complex128
    23  }
    24  
    25  func main() {
    26  
    27  	var t T
    28  
    29  	if v := real(t.cplx()); v != 1 {
    30  		panic("not-inlined complex call failed")
    31  	}
    32  	_ = imag(t.cplx())
    33  
    34  	_ = real(t.cplx2())
    35  	if v := imag(t.cplx2()); v != 1 {
    36  		panic("potentially inlined complex call failed")
    37  	}
    38  
    39  	var i I
    40  	i = t
    41  	if v := real(i.cplx()); v != 1 {
    42  		panic("potentially inlined complex call failed")
    43  	}
    44  	_ = imag(i.cplx())
    45  }
    46
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