1 files changed, 37 insertions, 0 deletions
diff --git a/test/fixedbugs/issue33460.go b/test/fixedbugs/issue33460.go
new file mode 100644
index 0000000..dff468a
--- /dev/null
+++ b/test/fixedbugs/issue33460.go
@@ -0,0 +1,37 @@
+// errorcheck
+
+// 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.
+
+package p
+
+const (
+	zero = iota
+	one
+	two
+	three
+)
+
+const iii int = 0x3
+
+func f(v int) {
+	switch v {
+	case zero, one:
+	case two, one: // ERROR "previous case at LINE-1|duplicate case .*in.* switch"
+
+	case three:
+	case 3: // ERROR "previous case at LINE-1|duplicate case .*in.* switch"
+	case iii: // ERROR "previous case at LINE-2|duplicate case .*in.* switch"
+	}
+}
+
+const b = "b"
+
+var _ = map[string]int{
+	"a": 0,
+	b:   1,
+	"a": 2, // ERROR "previous key at LINE-2|duplicate key.*in map literal"
+	"b": 3, // GC_ERROR "previous key at LINE-2|duplicate key.*in map literal"
+	"b": 4, // GC_ERROR "previous key at LINE-3|duplicate key.*in map literal"
+}