Fix GDB accesses to the 'nil's name.

 src/.gdbinit (xsymname): New subroutine.
 (xprintsym, initial-tbreak): Use it to access the name of a symbol
 in a way that doesn't cause GDB to barf when it tries to
 dereference a NULL pointer.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 21bdc81d797..4365222ff7b 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,10 @@
 2015-01-08  Eli Zaretskii  <eliz@gnu.org>
 
+        * .gdbinit (xsymname): New subroutine.
+        (xprintsym, initial-tbreak): Use it to access the name of a symbol
+        in a way that doesn't cause GDB to barf when it tries to
+        dereference a NULL pointer.
+
         * xdisp.c (next_element_from_c_string): Use Lisp integer zero as
         the object.
         (set_cursor_from_row, try_cursor_movement, dump_glyph)