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 // Test the run-time behavior of escape analysis-related optimizations. 8 9 package main 10 11 func main() { 12 test1() 13 } 14 15 func test1() { 16 check1(0) 17 check1(1) 18 check1(2) 19 } 20 21 type T1 struct { 22 X, Y, Z int 23 } 24 25 func f() int { 26 return 1 27 } 28 29 func check1(pass int) T1 { 30 v := []T1{{X: f(), Z: f()}} 31 if v[0].Y != 0 { 32 panic("nonzero init") 33 } 34 v[0].Y = pass 35 return v[0] 36 } 37
