[6963] fix info memory leak

[Gavin D. Smith]

Revision: 6963
          http://svn.sv.gnu.org/viewvc/?view=rev&root=texinfo&revision=6963
Author:   gavin
Date:     2016-01-30 12:05:51 +0000 (Sat, 30 Jan 2016)
Log Message:
-----------
fix info memory leak

Modified Paths:
--------------
    trunk/ChangeLog
    trunk/info/nodes.c
    trunk/info/t/infodir/file1.info

Modified: trunk/ChangeLog
===================================================================
--- trunk/ChangeLog     2016-01-25 07:07:36 UTC (rev 6962)
+++ trunk/ChangeLog     2016-01-30 12:05:51 UTC (rev 6963)
@@ -1,5 +1,12 @@
 2016-01-25  Gavin Smith  <address@hidden>
 
+       * info/nodes.c (info_node_of_tag_ext): Check that references for 
+       node haven't already been initialized before calling 
+       scan_node_contents, to prevent a memory leak if a node from a 
+       previously garbage collected file is loaded again.
+
+2016-01-25  Gavin Smith  <address@hidden>
+
        * tp/Texinfo/Convert/XSParagraph/configure.ac: Clear cache 
        variable with 'unset'.
 

Modified: trunk/info/nodes.c
===================================================================
--- trunk/info/nodes.c  2016-01-25 07:07:36 UTC (rev 6962)
+++ trunk/info/nodes.c  2016-01-30 12:05:51 UTC (rev 6963)
@@ -1409,7 +1409,7 @@
       if (parent != subfile)
         cache->subfile = tag->filename;
 
-      if (!fast)
+      if (!fast && !tag->cache.references)
         {
           /* Read locations of references in node and similar.  Strip Info file
              syntax from node if preprocess_nodes=On.  Adjust the offsets of

Modified: trunk/info/t/infodir/file1.info
===================================================================
(Binary files differ)