From 5918f80f1a7043605ef43f63d6373262098fd27c Mon Sep 17 00:00:00 2001
From: Ken Thompson <ken@golang.org>
Date: Mon, 31 Mar 2008 11:50:47 -0700
Subject: [PATCH] bug31

failed to correctly convert from pointer
to interface in a return statement.

moved ANY from a special type in
chan/map to a basic type.

SVN=114350
---
 src/c/gen.c |  2 +-
 src/c/go.h  |  2 +-
 src/c/go.y  | 20 ++++++++------------
 3 files changed, 10 insertions(+), 14 deletions(-)

diff --git a/src/c/gen.c b/src/c/gen.c
index 57dbd84fd4..0644d17651 100644
--- a/src/c/gen.c
+++ b/src/c/gen.c
@@ -967,7 +967,7 @@ cgen_ret(Node *n)
 			genconv(f->type, arg->type);
 			gopcode(PLOAD, PTADDR, a->nname);
 			gopcode(PADDO, PTADDR, f->nname);
-			gopcodet(PSTOREI, arg->type, N);
+			gopcodet(PSTOREI, f->type, N);
 		}
 		arg = listnext(&save);
 		f = f->down;
diff --git a/src/c/go.h b/src/c/go.h
index a0fd35e1aa..73cc8da1c9 100644
--- a/src/c/go.h
+++ b/src/c/go.h
@@ -227,7 +227,7 @@ enum
 	TINTER,
 	TFORW,
 	TFIELD,
-	TPOLY,
+	TANY,
 	TSTRING,
 
 	NTYPE,
diff --git a/src/c/go.y b/src/c/go.y
index eb122474f2..9d4433cf9d 100644
--- a/src/c/go.y
+++ b/src/c/go.y
@@ -37,8 +37,7 @@
 %type	<node>		simple_stmt osimple_stmt
 %type	<node>		expr uexpr pexpr expr_list oexpr oexpr_list expr_list_r
 %type	<node>		name name_name new_name new_name_list_r
-%type	<node>		type polytype
-%type	<node>		new_type
+%type	<node>		type new_type
 %type	<node>		vardcl_list_r vardcl
 %type	<node>		constdcl_list_r constdcl
 %type	<node>		typedcl_list_r typedcl
@@ -750,14 +749,14 @@ type:
 	{
 		$$ = aindex($2, $4);
 	}
-|	LCHAN chantype polytype
+|	LCHAN chantype type
 	{
 		$$ = nod(OTYPE, N, N);
 		$$->etype = TCHAN;
 		$$->type = $3;
 		$$->chan = $2;
 	}
-|	LMAP '[' type ']' polytype
+|	LMAP '[' type ']' type
 	{
 		$$ = nod(OTYPE, N, N);
 		$$->etype = TMAP;
@@ -781,6 +780,11 @@ type:
 	{
 		$$ = dostruct(N, TINTER);
 	}
+|	LANY
+	{
+		$$ = nod(OTYPE, N, N);
+		$$->etype = TANY;
+	}
 |	fntypeh
 |	'*' type
 	{
@@ -794,14 +798,6 @@ type:
 		$$ = forwdcl($2);
 	}
 
-polytype:
-	type
-|	LANY
-	{
-		$$ = nod(OTYPE, N, N);
-		$$->etype = TPOLY;
-	}
-
 chantype:
 	{
 		$$ = Cboth;
-- 
2.48.1