From c9f83372d87fca87873116aba2efaabb3137375b Mon Sep 17 00:00:00 2001
From: Rob Pike <r@golang.org>
Date: Mon, 12 Jul 2010 16:31:51 -0700
Subject: [PATCH] add missing argument to usage message. Fixes #912.

R=rsc
CC=golang-dev
https://golang.org/cl/1819041
---
 src/cmd/gc/lex.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cmd/gc/lex.c b/src/cmd/gc/lex.c
index 452acfc760..7b93001626 100644
--- a/src/cmd/gc/lex.c
+++ b/src/cmd/gc/lex.c
@@ -35,7 +35,7 @@ enum
 void
 usage(void)
 {
-	print("usage: %cg [flags] file.go...\n");
+	print("gc: usage: %cg [flags] file.go...\n", thechar);
 	print("flags:\n");
 	// -A is allow use of "any" type, for bootstrapping
 	print("  -I DIR search for packages in DIR\n");
-- 
2.50.0