bugs from old gri mail

R=gri
OCL=18093
CL=18093

test/bugs/bug115.go

@@ -0,0 +1,14 @@
+// $G $D/$F.go || echo BUG: bug115 should compile
+
+// 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 isuint(i uint) { }
+
+func main() {
+	i := ^uint(0);
+	isuint(i);
+}

test/bugs/bug116.go

@@ -0,0 +1,34 @@
+// $G $D/$F.go && $L $F.$A && ./$A.out || echo BUG: bug116
+
+// 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() {
+	bad := false;
+	if (-5>>1) != -3 {
+		println("-5>>1 =", -5>>1, "want -3");
+		bad = true;
+	}
+	if (-4>>1) != -2 {
+		println("-4>>1 =", -4>>1, "want -2");
+		bad = true;
+	}
+	if (-3>>1) != -2 {
+		println("-3>>1 =", -3>>1, "want -2");
+		bad = true;
+	}
+	if (-2>>1) != -1 {
+		println("-2>>1 =", -2>>1, "want -1");
+		bad = true;
+	}
+	if (-1>>1) != -1 {
+		println("-1>>1 =", -1>>1, "want -1");
+		bad = true;
+	}
+	if bad {
+		panicln("errors");
+	}
+}

test/golden.out

@@ -264,3 +264,19 @@ M
 
 =========== fixedbugs/bug103.go
 fixedbugs/bug103.go:8: function requires a return type
+
+=========== bugs/bug115.go
+bugs/bug115.go:8: overflow converting constant to uint
+BUG: bug115 should compile
+
+=========== bugs/bug116.go
+-5>>1 = -2 want -3
+-4>>1 = -3 want -2
+-3>>1 = -1 want -2
+-2>>1 = -2 want -1
+-1>>1 = 0 want -1
+errors
+
+panic on line 92 PC=xxx
+BUG: bug116
+