Fixing potential &" crash due to non-stable sorting function. (At least, I suspect this is the issue. My std::sort knowledge is limited.)

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@9674 c06c8d41-db1a-0410-9941-cceddc491573

1 files changed, 6 insertions, 2 deletions

diff --git a/crawl-ref/source/debug.cc b/crawl-ref/source/debug.cc
index 10ff399047..ae8f27fe45 100644
--- a/crawl-ref/source/debug.cc
+++ b/crawl-ref/source/debug.cc
@@ -824,8 +824,12 @@ static bool _sort_monster_list(int a, int b)
         return ( m1->name(DESC_PLAIN, true) < m2->name(DESC_PLAIN, true) );
     }
 
-    if (mons_char(m1->type) < mons_char(m2->type))
-        return (true);
+    const unsigned glyph1 = mons_char(m1->type);
+    const unsigned glyph2 = mons_char(m2->type);
+    if (glyph1 != glyph2)
+    {
+        return (glyph1 < glyph2);
+    }
 
     return (m1->type < m2->type);
 }