Adding upstream version 1.22.1.upstream/1.22.1

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

1 files changed, 32 insertions, 0 deletions

diff --git a/test/blank1.go b/test/blank1.go
new file mode 100644
index 0000000..815a7e9
--- /dev/null
+++ b/test/blank1.go
@@ -0,0 +1,32 @@
+// errorcheck
+
+// Copyright 2009 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 that incorrect uses of the blank identifier are caught.
+// Does not compile.
+
+package _	// ERROR "invalid package name"
+
+var t struct {
+	_ int
+}
+
+func (x int) _() { // ERROR "methods on non-local type"
+	println(x)
+}
+
+type T struct {
+      _ []int
+}
+
+func main() {
+	_()	// ERROR "cannot use .* as value"
+	x := _+1	// ERROR "cannot use .* as value"
+	_ = x
+	_ = t._ // ERROR "cannot refer to blank field|invalid use of|t._ undefined"
+
+      var v1, v2 T
+      _ = v1 == v2 // ERROR "cannot be compared|non-comparable|cannot compare v1 == v2"
+}