Replacement for abandoned CL 29626:

bug157 and bug158

R=rsc
DELTA=59  (59 added, 0 deleted, 0 changed)
OCL=29632
CL=29634

test/bugs/bug157.go

+// $G $D/$F.go || echo BUG: 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 f() {}
+
+func main() {
+	x := 0;
+
+	// this compiles
+	switch x {
+	case 0: f();
+	default: f();
+	}
+
+	// this doesn't but it should
+	// (semicolons are not needed at the end of a statement list)
+	switch x {
+	case 0: f()
+	default: f()
+	}
+}
+
+
+/*
+bug155.go:20: syntax error near default
+bug155.go:20: first switch statement must be a case
+*/

test/bugs/bug158.go

+// $G $D/$F.go || echo BUG: 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 main() {
+	x := 0;
+
+	// this compiles
+	switch x {
+	case 0:
+	}
+
+	// this doesn't but should
+	switch 0 {
+	case 0:
+	}
+}
+
+
+/*
+bug156.go:14: fatal error: dowidth: unknown type: E-33
+*/

test/golden.out

@@ -104,6 +104,15 @@ BUG should compile
 5 7
 BUG: should crash
 
+=========== bugs/bug157.go
+bugs/bug157.go:20: syntax error near default
+bugs/bug157.go:20: first switch statement must be a case
+BUG: should compile
+
+=========== bugs/bug158.go
+bugs/bug158.go:14: fatal error: dowidth: unknown type: E-33
+BUG: should compile
+
 =========== fixedbugs/bug016.go
 fixedbugs/bug016.go:7: constant -3 overflows uint