[SRILM User List] Error in `ngram': munmap_chunk(): invalid pointer

[Albert Vernon]

This problem has been fixed in version 1.7.2.

If you are running an older version and cannot upgrade, you can apply the
patch below and recompile:


--- dstruct/src/Trie.orig 2016-11-08 19:53:40.524000000 +0000
+++ dstruct/src/Trie.cc 2016-11-08 19:53:59.088000000 +0000
@@ -200,11 +200,14 @@
  if (removedData == 0) {
     Trie<KeyT,DataT> node;
     if (sub.remove(keys[0], &node)) {
+#if !defined(__GNUC__) || !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 9 ||
__GNUC__ > 4)
  /*
  * XXX: Call subtrie destructor explicitly since we're not
  * passing the removed node to the caller.
+ * !!! Triggers bug with gcc >= 4.9 optimization !!!
  */
         node.~Trie();
+#endif
  return true;
     } else {
  return false;
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