From a2f26075c898e57874eede7f9a2671eea797e948 Mon Sep 17 00:00:00 2001
From: Tim Hockin <thockin@google.com>
Date: Tue, 16 Jun 2020 22:34:59 -0700
Subject: [PATCH] Don't typecheck directories that start with _

Go ignores them, so should we.
---
 test/typecheck/main.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/typecheck/main.go b/test/typecheck/main.go
index 9a7f4e34783..12c7a9ee6e7 100644
--- a/test/typecheck/main.go
+++ b/test/typecheck/main.go
@@ -266,7 +266,7 @@ func (c *collector) handlePath(path string, info os.FileInfo, err error) error {
 	}
 	if info.IsDir() {
 		// Ignore hidden directories (.git, .cache, etc)
-		if len(path) > 1 && path[0] == '.' {
+		if len(path) > 1 && (path[0] == '.' || path[0] == '_') {
 			return filepath.SkipDir
 		}
 		for _, dir := range c.ignoreDirs {