second pass on interface fixes and tests.
R=ken
OCL=22370
CL=22372
diff --git a/src/cmd/gc/go.h b/src/cmd/gc/go.h
index 85bc749..da4f871 100644
--- a/src/cmd/gc/go.h
+++ b/src/cmd/gc/go.h
@@ -633,9 +633,9 @@
int isinter(Type*);
int isnilinter(Type*);
int isddd(Type*);
-Type* ismethod(Type*);
+Type* dclmethod(Type*);
Type* methtype(Type*);
-int needaddr(Type*);
+int methconv(Type*);
Sym* signame(Type*);
int bytearraysz(Type*);
int eqtype(Type*, Type*, int);
@@ -682,6 +682,7 @@
int Zconv(Fmt*);
int lookdot0(Sym*, Type*, Type**);
+Type* lookdot1(Sym*, Type*, Type*);
int adddot1(Sym*, Type*, int, Type**);
Node* adddot(Node*);
void expand0(Type*);
@@ -798,7 +799,9 @@
Node* chanop(Node*, int);
Node* arrayop(Node*, int);
Node* ifaceop(Type*, Node*, int);
-int isandss(Type*, Node*);
+int ifaceas(Type*, Type*);
+void ifacecheck(Type*, Type*, int);
+void runifacechecks(void);
Node* convas(Node*);
void arrayconv(Type*, Node*);
Node* colas(Node*, Node*);
