1 files changed, 38 insertions, 0 deletions
diff --git a/test/codegen/maps.go b/test/codegen/maps.go
new file mode 100644
index 0000000000..57e219ca06
--- /dev/null
+++ b/test/codegen/maps.go
@@ -0,0 +1,38 @@
+// asmcheck
+
+// Copyright 2018 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 codegen
+
+// This file contains code generation tests related to the handling of
+// map types.
+
+// ------------------- //
+//     Access Const    //
+// ------------------- //
+
+// Direct use of constants in fast map access calls (Issue #19015).
+
+func AccessInt1(m map[int]int) int {
+	// amd64:"MOVQ\t[$]5"
+	return m[5]
+}
+
+func AccessInt2(m map[int]int) bool {
+	// amd64:"MOVQ\t[$]5"
+	_, ok := m[5]
+	return ok
+}
+
+func AccessString1(m map[string]int) int {
+	// amd64:`.*"abc"`
+	return m["abc"]
+}
+
+func AccessString2(m map[string]int) bool {
+	// amd64:`.*"abc"`
+	_, ok := m["abc"]
+	return ok
+}