blob: f7fd80bd2070bb5a8e7f4e0074970d2bf16399f3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package a
type I interface{ M() }
type T int
func (T) M() {} // ERROR "can inline T.M"
func E() I { // ERROR "can inline E"
return T(0) // ERROR "T\(0\) escapes to heap"
}
func F(i I) I { // ERROR "can inline F" "leaking param: i to result ~r0 level=0"
i = nil
return i
}
func g() {
h := E() // ERROR "inlining call to E" "T\(0\) does not escape"
h.M() // ERROR "devirtualizing h.M to T"
// BAD: T(0) could be stack allocated.
i := F(T(0)) // ERROR "inlining call to F" "T\(0\) escapes to heap"
// Testing that we do NOT devirtualize here:
i.M()
}
|