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go/test/fixedbugs/issue42284.dir/b.go
Matthew Dempsky 4a90cdb03d cmd/compile: interleave devirtualization and inlining
This CL interleaves devirtualization and inlining, so that
devirtualized calls can be inlined.

Fixes #52193.

Change-Id: I681e7c55bdb90ebf6df315d334e7a58f05110d9c
Reviewed-on: https://go-review.googlesource.com/c/go/+/528321
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
TryBot-Bypass: Matthew Dempsky <mdempsky@google.com>
2023-11-20 18:09:45 +00:00

19 lines
513 B
Go

// 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 b
import "./a"
func g() {
h := a.E() // ERROR "inlining call to a.E" "T\(0\) does not escape"
h.M() // ERROR "devirtualizing h.M to a.T" "inlining call to a.T.M"
// BAD: T(0) could be stack allocated.
i := a.F(a.T(0)) // ERROR "inlining call to a.F" "a.T\(0\) escapes to heap"
// Testing that we do NOT devirtualize here:
i.M()
}