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cmd/compile/internal/inline: score call sites exposed by inlines
[gostls13.git] / test / fixedbugs / issue29735.go
1 // run
2
3 // Copyright 2019 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 // Make sure FuncForPC won't panic when given a pc which
8 // lies between two functions.
9
10 package main
11
12 import (
13         "runtime"
14 )
15
16 func main() {
17         var stack [1]uintptr
18         runtime.Callers(1, stack[:])
19         f() // inlined function, to give main some inlining info
20         for i := uintptr(0); true; i++ {
21                 f := runtime.FuncForPC(stack[0] + i)
22                 if f.Name() != "main.main" && f.Name() != "main.f" {
23                         // Reached next function successfully.
24                         break
25                 }
26         }
27 }
28
29 func f() {
30         sink = 0 // one instruction which can't be removed
31 }
32
33 var sink int