cmd/gc: fix typo in ordermapassign

Fixes issue 7742

LGTM=dave, rsc
R=rsc, bradfitz, dave
CC=golang-codereviews
https://codereview.appspot.com/85580047

1 files changed, 18 insertions, 0 deletions

diff --git a/test/fixedbugs/issue7742.go b/test/fixedbugs/issue7742.go
new file mode 100644
index 000000000..dc167c22e
--- /dev/null
+++ b/test/fixedbugs/issue7742.go
@@ -0,0 +1,18 @@
+// compile
+
+// Copyright 2014 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.
+
+// Issue 7742: cannot use &autotmp_0001 (type *map[string]string) as type *string in function argument
+
+package main
+
+var (
+	m map[string]string
+	v string
+)
+
+func main() {
+	m[v], _ = v, v
+}