From cfa52e5e0bfb0aaea7dec2a864b0f562a28d1d15 Mon Sep 17 00:00:00 2001
From: Robert Griesemer <gri@golang.org>
Date: Fri, 21 Aug 2009 14:14:25 -0700
Subject: [PATCH] unexpected shift conversion behavior

R=r
DELTA=20  (20 added, 0 deleted, 0 changed)
OCL=33646
CL=33667
---
 test/bugs/bug193.go | 15 +++++++++++++++
 test/golden.out     |  5 +++++
 2 files changed, 20 insertions(+)
 create mode 100644 test/bugs/bug193.go

diff --git a/test/bugs/bug193.go b/test/bugs/bug193.go
new file mode 100644
index 00000000000..df768b930f7
--- /dev/null
+++ b/test/bugs/bug193.go
@@ -0,0 +1,15 @@
+// errchk $G $D/$F.go
+
+// 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.
+
+package main
+
+func main() {
+	s := uint(10);
+	ss := 1<<s;
+	y1 := float(ss);
+	y2 := float(1<<s);  // ERROR "shift"
+	y3 := string(1<<s);  // ERROR "shift"
+}
diff --git a/test/golden.out b/test/golden.out
index 1c4981b352b..6dc5cc66a66 100644
--- a/test/golden.out
+++ b/test/golden.out
@@ -168,3 +168,8 @@ bugs/bug190.go:13: invalid recursive type chan S
 bugs/bug190.go:16: invalid recursive type S
 bugs/bug190.go:15: invalid recursive type func(S) (S)
 BUG: should compile
+
+=========== bugs/bug193.go
+BUG: errchk: bugs/bug193.go:13: error message does not match 'shift'
+bugs/bug193.go:13: fatal error: optoas: no entry LSH-float
+errchk: bugs/bug193.go:14: missing expected error: 'shift'