Adding upstream version 1.21.8.upstream/1.21.8

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

1 files changed, 72 insertions, 0 deletions

diff --git a/test/indirect1.go b/test/indirect1.go
new file mode 100644
index 0000000..51da4cc
--- /dev/null
+++ b/test/indirect1.go
@@ -0,0 +1,72 @@
+// 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.
+
+// Verify that illegal uses of indirection are caught by the compiler.
+// Does not compile.
+
+package main
+
+var m0 map[string]int
+var m1 *map[string]int
+var m2 *map[string]int = &m0
+var m3 map[string]int = map[string]int{"a": 1}
+var m4 *map[string]int = &m3
+
+var s0 string
+var s1 *string
+var s2 *string = &s0
+var s3 string = "a"
+var s4 *string = &s3
+
+var a0 [10]int
+var a1 *[10]int
+var a2 *[10]int = &a0
+
+var b0 []int
+var b1 *[]int
+var b2 *[]int = &b0
+var b3 []int = []int{1, 2, 3}
+var b4 *[]int = &b3
+
+func f() {
+	// this is spaced funny so that
+	// the compiler will print a different
+	// line number for each len call when
+	// it decides there are type errors.
+	x :=
+		len(m0)+
+		len(m1)+	// ERROR "illegal|invalid|must be"
+		len(m2)+	// ERROR "illegal|invalid|must be"
+		len(m3)+
+		len(m4)+	// ERROR "illegal|invalid|must be"
+
+		len(s0)+
+		len(s1)+	// ERROR "illegal|invalid|must be"
+		len(s2)+	// ERROR "illegal|invalid|must be"
+		len(s3)+
+		len(s4)+	// ERROR "illegal|invalid|must be"
+
+		len(a0)+
+		len(a1)+
+		len(a2)+
+
+		cap(a0)+
+		cap(a1)+
+		cap(a2)+
+
+		len(b0)+
+		len(b1)+	// ERROR "illegal|invalid|must be"
+		len(b2)+	// ERROR "illegal|invalid|must be"
+		len(b3)+
+		len(b4)+	// ERROR "illegal|invalid|must be"
+
+		cap(b0)+
+		cap(b1)+	// ERROR "illegal|invalid|must be"
+		cap(b2)+	// ERROR "illegal|invalid|must be"
+		cap(b3)+
+		cap(b4)	// ERROR "illegal|invalid|must be"
+	_ = x
+}