# HG changeset patch
# User Lachlan Andrew <lachlanbis@gmail.com>
# Date 1453045069 28800
# Node ID 622e34f6ede38c92a45c7659d3d595ae1bb0ce4a
# Parent  0ebb8e26ebbc7f7c19ed97dd3f513a431bc3b3f4
Fix segfault with dbstatus (bug #44195)

* debug.cc (bp_table::do_get_breakpoint_list): Copy bp_set to temporary
variable and iterate over that since changes to a file may invalidate bp_set
while code is running..

diff -r 0ebb8e26ebbc -r 622e34f6ede3 libinterp/corefcn/debug.cc
--- a/libinterp/corefcn/debug.cc	Sun Jan 17 07:22:55 2016 -0800
+++ b/libinterp/corefcn/debug.cc	Sun Jan 17 07:37:49 2016 -0800
@@ -516,7 +516,10 @@
 {
   fname_line_map retval;
 
-  for (bp_set_iterator it = bp_set.begin (); it != bp_set.end (); it++)
+  // make copy since changes may invalidate iters of bp_set.
+  std::set<std::string> tmp_bp_set = bp_set;
+
+  for (bp_set_iterator it = tmp_bp_set.begin (); it != tmp_bp_set.end (); it++)
     {
       if (fname_list.length () == 0
           || do_find_bkpt_list (fname_list, *it) != "")