Roll libxml to 8effcb578e0590cc01bbcab0f9dccefc6bdbcdbd

third_party/libxml/src/include/libxml/xpathInternals.h

 /*
  * Summary: internal interfaces for XML Path Language implementation
  * Description: internal interfaces for XML Path Language implementation
  *              used to build new modules on top of XPath like XPointer and
  *              XSLT
  *
  * Copy: See Copyright for the status of this software.
  *
  * Author: Daniel Veillard
  */
@@ skipping 211 matching lines @@
 #define xmlXPathStackIsExternal(ctxt)                                   \
         ((ctxt->value != NULL) && (ctxt->value->type == XPATH_USERS))
 
 /**
  * xmlXPathEmptyNodeSet:
  * @ns:  a node-set
  *
  * Empties a node-set.
  */
 #define xmlXPathEmptyNodeSet(ns)                                        \
-    { while ((ns)->nodeNr > 0) (ns)->nodeTab[(ns)->nodeNr--] = NULL; }
+    { while ((ns)->nodeNr > 0) (ns)->nodeTab[--(ns)->nodeNr] = NULL; }
 
 /**
  * CHECK_ERROR:
  *
  * Macro to return from the function if an XPath error was detected.
  */
 #define CHECK_ERROR                                                     \
     if (ctxt->error != XPATH_EXPRESSION_OK) return
 
 /**
@@ skipping 380 matching lines @@
  * Really internal functions
  */
 XMLPUBFUN void XMLCALL xmlXPathNodeSetFreeNs(xmlNsPtr ns);
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif /* LIBXML_XPATH_ENABLED */
 #endif /* ! __XML_XPATH_INTERNALS_H__ */