issue69955.go

     1  // -gotypesalias=1
     2  
     3  // Copyright 2024 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  package p
     8  
     9  import "math/big"
    10  
    11  type (
    12  	S struct{}
    13  	N int
    14  
    15  	A = S
    16  	B = int
    17  	C = N
    18  )
    19  
    20  var (
    21  	i int
    22  	s S
    23  	n N
    24  	a A
    25  	b B
    26  	c C
    27  	w big.Word
    28  )
    29  
    30  const (
    31  	_ = i // ERROR "i (variable of type int) is not constant"
    32  	_ = s // ERROR "s (variable of struct type S) is not constant"
    33  	_ = struct /* ERROR "struct{}{} (value of type struct{}) is not constant" */ {}{}
    34  	_ = n // ERROR "n (variable of int type N) is not constant"
    35  
    36  	_ = a // ERROR "a (variable of struct type A) is not constant"
    37  	_ = b // ERROR "b (variable of int type B) is not constant"
    38  	_ = c // ERROR "c (variable of int type C) is not constant"
    39  	_ = w // ERROR "w (variable of uint type big.Word) is not constant"
    40  )
    41  
    42  var _ int = w /* ERROR "cannot use w + 1 (value of uint type big.Word) as int value in variable declaration" */ + 1
    43
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