diff options
| -rw-r--r-- | src/cmd/gc/subr.c | 2 | ||||
| -rw-r--r-- | test/interface/explicit.go | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/src/cmd/gc/subr.c b/src/cmd/gc/subr.c index dfb425efc..0cd7e6c4b 100644 --- a/src/cmd/gc/subr.c +++ b/src/cmd/gc/subr.c @@ -1219,7 +1219,7 @@ assignop(Type *src, Type *dst, char **why) return 0; } if(src->etype == TINTER && dst->etype != TBLANK) { - if(why != nil) + if(why != nil && implements(dst, src, &missing, &have, &ptr)) *why = ": need type assertion"; return 0; } diff --git a/test/interface/explicit.go b/test/interface/explicit.go index d19480a68..7822b88d0 100644 --- a/test/interface/explicit.go +++ b/test/interface/explicit.go @@ -40,7 +40,7 @@ func main() { // because i has an extra method // that t does not, so i cannot contain a t. i = t // ERROR "incompatible|missing M method" - t = i // ERROR "incompatible|need type assertion" + t = i // ERROR "incompatible|assignment$" i = i2 // ok i2 = i // ERROR "incompatible|missing N method" |