Adding upstream version 1.21.8.upstream/1.21.8

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

1 files changed, 18 insertions, 0 deletions

diff --git a/test/fixedbugs/issue42284.dir/b.go b/test/fixedbugs/issue42284.dir/b.go
new file mode 100644
index 0000000..8cd93b8
--- /dev/null
+++ b/test/fixedbugs/issue42284.dir/b.go
@@ -0,0 +1,18 @@
+// 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"
+
+	// 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()
+}