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-rw-r--r--src/cmd/gc/subr.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/cmd/gc/subr.c b/src/cmd/gc/subr.c
index cde3b58b9..1f057744e 100644
--- a/src/cmd/gc/subr.c
+++ b/src/cmd/gc/subr.c
@@ -2885,7 +2885,8 @@ ifaceokT2I(Type *t0, Type *iface, Type **m)
// supposed to do something better eventually
// but this will catch errors while we decide the
// details of the "better" solution.
- if(t == t0 && t->methptr == 2) {
+ // only warn if iface is not interface{}.
+ if(t == t0 && t->methptr == 2 && iface->type != T) {
yyerror("probably wanted *%T not %T", t, t);
*m = iface->type;
return 0;