Roll libxml to bdec2183f34b37ee89ae1d330c6ad2bb4d76605f

third_party/libxml/src/xmlregexp.c

Index: third_party/libxml/src/xmlregexp.c
diff --git a/third_party/libxml/src/xmlregexp.c b/third_party/libxml/src/xmlregexp.c
index 727fef4d7037b5b76c3f9b07c969541afaacfc35..ca3b4f46dc816517cf9f627e7fe0acf0d7577eec 100644
--- a/third_party/libxml/src/xmlregexp.c
+++ b/third_party/libxml/src/xmlregexp.c
@@ -5057,11 +5057,12 @@ xmlFAParseCharRange(xmlRegParserCtxtPtr ctxt) {
 	ERROR("Expecting the end of a char range");
 	return;
     }
-    NEXTL(len);
+
     /* TODO check that the values are acceptable character ranges for XML */
     if (end < start) {
 	ERROR("End of range is before start of range");
     } else {
+        NEXTL(len);
         xmlRegAtomAddRange(ctxt, ctxt->atom, ctxt->neg,
 		           XML_REGEXP_CHARVAL, start, end, NULL);
     }