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Source file test/fixedbugs/issue20185.go

Documentation: test/fixedbugs

     1  // errorcheck
     2  
     3  // Copyright 2017 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 20185: type switching on untyped values (e.g. nil or consts)
     8  // caused an internal compiler error.
     9  
    10  package p
    11  
    12  func F() {
    13  	switch t := nil.(type) { // ERROR "cannot type switch on non-interface value nil"
    14  	default:
    15  		_ = t
    16  	}
    17  }
    18  
    19  const x = 1
    20  
    21  func G() {
    22  	switch t := x.(type) { // ERROR "cannot type switch on non-interface value x \(type untyped number\)"
    23  	default:
    24  	}
    25  }
    26  

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