From 80098ef00c1c8a832b2d67d7cbd4dea5f8eff6e9 Mon Sep 17 00:00:00 2001
From: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Date: Thu, 4 Mar 2021 14:40:50 +0700
Subject: cmd/compile: don't expand invalid embedded interface

The invalid interface type will be reported already, so don't expand
that invalid one, which causes the compiler crashes.

Updates #43311

Change-Id: Ic335cfa74f0b9fcfd0929dc5fd31d9156a8f5f5c
Reviewed-on: https://go-review.googlesource.com/c/go/+/298710
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
---
 src/cmd/compile/internal/types/size.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/cmd/compile/internal/types/size.go b/src/cmd/compile/internal/types/size.go
index 4c7378560c..ef23cdf5fe 100644
--- a/src/cmd/compile/internal/types/size.go
+++ b/src/cmd/compile/internal/types/size.go
@@ -100,7 +100,7 @@ func expandiface(t *Type) {
 	}
 
 	for _, m := range t.Methods().Slice() {
-		if m.Sym != nil {
+		if m.Sym != nil || m.Type == nil {
 			continue
 		}
 
-- 
cgit v1.3