From 3e5989463fa9804e8ef31d3921d426fa9fa06122 Mon Sep 17 00:00:00 2001
From: Bill Currie <bill@taniwha.org>
Date: Mon, 14 Feb 2011 10:35:54 +0900
Subject: [PATCH] Update the def_tail when removing the last def from the
 space.

---
 tools/qfcc/source/def.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/qfcc/source/def.c b/tools/qfcc/source/def.c
index 0ddd8458f..b62e1255c 100644
--- a/tools/qfcc/source/def.c
+++ b/tools/qfcc/source/def.c
@@ -154,7 +154,11 @@ free_def (def_t *def)
 
 		for (d = &def->space->defs; *d && *d != def; d = &(*d)->next)
 			;
+		if (!*d)
+			internal_error (0, "freeing unlinked def %s", def->name);
 		*d = def->next;
+		if (&def->next == def->space->def_tail)
+			def->space->def_tail = d;
 		if (!def->external)
 			defspace_free_loc (def->space, def->offset, type_size (def->type));
 	}