From: David Kastrup <dak@gnu.org>
Date: Tue, 10 Sep 2013 09:34:02 +0000 (+0200)
Subject: Avoid undefined behavior after "not a context mod" error in context defs
X-Git-Tag: release/2.17.27-1~40^2~15
X-Git-Url: https://git.donarmstrong.com/?a=commitdiff_plain;h=20b2c1c1d8097931aba33693708d695fc390d410;p=lilypond.git

Avoid undefined behavior after "not a context mod" error in context defs
---

diff --git a/lily/parser.yy b/lily/parser.yy
index 9752da58ed..11d8d17125 100644
--- a/lily/parser.yy
+++ b/lily/parser.yy
@@ -650,6 +650,7 @@ context_mod_embedded:
 			$$ = $1;
 		else {
 			parser->parser_error (@1, _ ("not a context mod"));
+			$$ = Context_mod ().smobbed_copy ();
 		}
 	}
 	;