From f1fe21a08fe1e96d1fad5633b3689274c139a21f Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@golang.org>
Date: Mon, 26 Jan 2009 17:06:20 -0800
Subject: [PATCH] bug134

R=ken
OCL=23532
CL=23532
---
 src/cmd/gc/dcl.c         | 19 +++++++++++++------
 src/cmd/gc/go.h          |  2 +-
 test/fixedbugs/bug134.go | 11 +++++++++++
 3 files changed, 25 insertions(+), 7 deletions(-)
 create mode 100644 test/fixedbugs/bug134.go

diff --git a/src/cmd/gc/dcl.c b/src/cmd/gc/dcl.c
index a60637c258..edac4ca2c0 100644
--- a/src/cmd/gc/dcl.c
+++ b/src/cmd/gc/dcl.c
@@ -313,9 +313,9 @@ addmethod(Node *n, Type *t, int local)
 	}
 
 	if(d == T)
-		stotype(n, &pa->method);
+		stotype(n, 0, &pa->method);
 	else
-		stotype(n, &d->down);
+		stotype(n, 0, &d->down);
 
 	if(dflag())
 		print("method         %S of type %T\n", sf, pa);
@@ -472,36 +472,43 @@ funcbody(Node *n)
  * turn a parsed struct into a type
  */
 Type**
-stotype(Node *n, Type **t)
+stotype(Node *n, int et, Type **t)
 {
 	Type *f;
 	Iter save;
 	String *note;
+	int lno;
 
+	lno = lineno;
 	n = listfirst(&save, &n);
 
 loop:
 	note = nil;
 	if(n == N) {
 		*t = T;
+		lineno = lno;
 		return t;
 	}
 
+	lineno = n->lineno;
 	if(n->op == OLIST) {
 		// recursive because it can be lists of lists
-		t = stotype(n, t);
+		t = stotype(n, et, t);
 		goto next;
 	}
 
 	if(n->op != ODCLFIELD || n->type == T)
 		fatal("stotype: oops %N\n", n);
 
+	if(et == TSTRUCT && n->type->etype == TFUNC)
+		yyerror("bad structure field type: %T", n->type);
+
 	switch(n->val.ctype) {
 	case CTSTR:
 		note = n->val.u.sval;
 		break;
 	default:
-		yyerror("structure field annotation must be string");
+		yyerror("field annotation must be string");
 	case CTxxx:
 		note = nil;
 		break;
@@ -546,7 +553,7 @@ dostruct(Node *n, int et)
 	}
 	t = typ(et);
 	t->funarg = funarg;
-	stotype(n, &t->type);
+	stotype(n, et, &t->type);
 	if(!funarg)
 		checkwidth(t);
 	return t;
diff --git a/src/cmd/gc/go.h b/src/cmd/gc/go.h
index e1f64b5424..461c00b217 100644
--- a/src/cmd/gc/go.h
+++ b/src/cmd/gc/go.h
@@ -707,7 +707,7 @@ void	funchdr(Node*);
 void	funcargs(Type*);
 void	funcbody(Node*);
 Type*	dostruct(Node*, int);
-Type**	stotype(Node*, Type**);
+Type**	stotype(Node*, int, Type**);
 Type*	sortinter(Type*);
 void	markdcl(void);
 void	popdcl(void);
diff --git a/test/fixedbugs/bug134.go b/test/fixedbugs/bug134.go
new file mode 100644
index 0000000000..e0817a41e8
--- /dev/null
+++ b/test/fixedbugs/bug134.go
@@ -0,0 +1,11 @@
+// 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.
+
+// errchk $G $D/$F.go
+
+package main
+
+type T struct {
+	v ();  // ERROR "field type"
+}
-- 
2.48.1