gdb_vecs.h: Avoid self move assign

[deliverable/binutils-gdb.git] / gdb / gdbsupport / gdb_vecs.h

diff --git a/gdb/gdbsupport/gdb_vecs.h b/gdb/gdbsupport/gdb_vecs.h
index e87ebe26e993bbc472b9c16d8c7fd5481415f685..e8af624770dbc4a974443e6b0c93e4a6ae58d447 100644 (file)
--- a/gdb/gdbsupport/gdb_vecs.h
+++ b/gdb/gdbsupport/gdb_vecs.h
@@ -51,7 +51,8 @@ unordered_remove (std::vector<T> &vec, typename std::vector<T>::iterator it)
   gdb_assert (it >= vec.begin () && it < vec.end ());
 
   T removed = std::move (*it);
-  *it = std::move (vec.back ());
+  if (it != vec.end () - 1)
+    *it = std::move (vec.back ());
   vec.pop_back ();
 
   return removed;