Adding upstream version 1.19.8.upstream/1.19.8upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 32 insertions, 0 deletions

diff --git a/test/escape_selfassign.go b/test/escape_selfassign.go
new file mode 100644
index 0000000..b4fa208
--- /dev/null
+++ b/test/escape_selfassign.go
@@ -0,0 +1,32 @@
+// errorcheck -0 -m -l
+
+// Copyright 2019 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.
+
+// Test escape analysis for self assignments.
+
+package escape
+
+type S struct {
+	i  int
+	pi *int
+}
+
+var sink S
+
+func f(p *S) { // ERROR "leaking param: p"
+	p.pi = &p.i
+	sink = *p
+}
+
+// BAD: "leaking param: p" is too conservative
+func g(p *S) { // ERROR "leaking param: p"
+	p.pi = &p.i
+}
+
+func h() {
+	var s S // ERROR "moved to heap: s"
+	g(&s)
+	sink = s
+}