modernc.org/gc@v1.0.1-0.20240304020402-f0dba7c97c2b/testdata/errchk/test/fixedbugs/issue15439.go (about)

     1  // run
     2  
     3  // Copyright 2016 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 main
     8  
     9  import "reflect"
    10  
    11  func main() {
    12  	a := &struct{ x int }{}
    13  	b := &struct{ x int "" }{}
    14  
    15  	ta := reflect.TypeOf(a)
    16  	tb := reflect.TypeOf(b)
    17  
    18  	// Ensure cmd/compile treats absent and empty tags as equivalent.
    19  	a = b
    20  
    21  	// Ensure package reflect treats absent and empty tags as equivalent.
    22  	if !tb.AssignableTo(ta) {
    23  		panic("fail")
    24  	}
    25  }