From bca50f009f60114f9a8a30651958fb210782388d Mon Sep 17 00:00:00 2001
From: Werner Almesberger <werner@almesberger.net>
Date: Sun, 3 Jun 2012 21:18:51 -0300
Subject: [PATCH] b2/lang.y (parse_jump): improve diagnostic for code after
 end/ignore

Before, the error was a rather confusing "unknown keyword", suggesting
a typo.
---
 b2/lang.y | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/b2/lang.y b/b2/lang.y
index 053f64a..1bb0c7c 100644
--- a/b2/lang.y
+++ b/b2/lang.y
@@ -77,6 +77,8 @@ static struct subst *parse_jump(const char *keyword, const char *target)
 		return subst_break(target);
 	if (!strcmp(keyword, "continue"))
 		return subst_continue(target);
+	if (!strcmp(keyword, "end") || !strcmp(keyword, "ignore"))
+		yyerror("unreachable code");
 	yyerrorf("unknown keyword \"%s\"", keyword);
 }