From 1d897f4ee9a1ec29f3eb398d258a6f1b3251054f Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@golang.org>
Date: Thu, 5 Feb 2009 15:22:49 -0800
Subject: bug064

make f(g()) work when g returns multiple
args with names different than f expects.

func swap(a, b int) (c, d int) {
	return b, a
}

swap(swap(1,2))

R=ken
OCL=24474
CL=24476
---
 src/cmd/gc/subr.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'src/cmd/gc/subr.c')

diff --git a/src/cmd/gc/subr.c b/src/cmd/gc/subr.c
index 593d07cd3..2df3fc168 100644
--- a/src/cmd/gc/subr.c
+++ b/src/cmd/gc/subr.c
@@ -1742,6 +1742,25 @@ eqtype(Type *t1, Type *t2, int d)
 	return eqtype(t1->type, t2->type, d+1);
 }
 
+int
+eqtypenoname(Type *t1, Type *t2)
+{
+	if(t1 == T || t2 == T || t1->etype != TSTRUCT || t2->etype != TSTRUCT)
+		return eqtype(t1, t2, 0);
+
+
+	t1 = t1->type;
+	t2 = t2->type;
+	for(;;) {
+		if(!eqtype(t1, t2, 1))
+			return 0;
+		if(t1 == T)
+			return 1;
+		t1 = t1->down;
+		t2 = t2->down;
+	}
+}
+
 static int
 subtype(Type **stp, Type *t, int d)
 {
-- 
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