modernc.org/gc@v1.0.1-0.20240304020402-f0dba7c97c2b/testdata/errchk/test/fixedbugs/bug497.go (about)

     1  // run
     2  
     3  // Copyright 2015 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  // Gccgo used to miscompile passing a global variable with a
     8  // zero-sized type to a function.
     9  
    10  package main
    11  
    12  type T struct {
    13  	field s
    14  }
    15  
    16  type s struct{}
    17  
    18  var X T
    19  
    20  func F(_ T, c interface{}) int {
    21  	return len(c.(string))
    22  }
    23  
    24  func main() {
    25  	if v := F(X, "hi"); v != 2 {
    26  		panic(v)
    27  	}
    28  }