gdb/gdb-btrobust.patch

From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
From: Fedora GDB patches <invalid@email.com>
Date: Fri, 27 Oct 2017 21:07:50 +0200
Subject: gdb-btrobust.patch

FileName: gdb-btrobust.patch

;; Continue backtrace even if a frame filter throws an exception (Phil Muldoon).
;;=push

This should fix the error  with glib.  An error message will still be
printed, but a default backtrace will occur in this case.

--

diff --git a/gdb/python/py-framefilter.c b/gdb/python/py-framefilter.c
index e887849c36..a8e4f49eb5 100644
--- a/gdb/python/py-framefilter.c
+++ b/gdb/python/py-framefilter.c
@@ -1388,6 +1388,7 @@ gdbpy_apply_frame_filter (const struct extension_language_defn *extlang,
 				       htab_eq_pointer,
 				       NULL));
 
+  int count_printed = 0;
   while (true)
     {
       gdbpy_ref<> item (PyIter_Next (iterable.get ()));
@@ -1397,7 +1398,7 @@ gdbpy_apply_frame_filter (const struct extension_language_defn *extlang,
 	  if (PyErr_Occurred ())
 	    {
 	      gdbpy_print_stack ();
-	      return EXT_LANG_BT_ERROR;
+	      return count_printed > 0 ? EXT_LANG_BT_ERROR : EXT_LANG_BT_NO_FILTERS;
 	    }
 	  break;
 	}
@@ -1409,6 +1410,7 @@ gdbpy_apply_frame_filter (const struct extension_language_defn *extlang,
 	 error and continue with other frames.  */
       if (success == EXT_LANG_BT_ERROR)
 	gdbpy_print_stack ();
+      count_printed++;
     }
 
   return success;