Fix crash when a variable object being deleted

	has any of its children deleted previously.

	* varobj.c (delete_variable_1): Don't recurse
	into deleted children.

1 files changed, 24 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.mi/mi-var-child.c b/gdb/testsuite/gdb.mi/mi-var-child.c
index 393efd2..406f0e2 100644
--- a/gdb/testsuite/gdb.mi/mi-var-child.c
+++ b/gdb/testsuite/gdb.mi/mi-var-child.c
@@ -306,6 +306,29 @@ do_special_tests (void)
   incr_a(2);
 }
 
+struct very_simple_struct
+{
+  int a;
+  int b;
+};
+
+int
+do_child_deletion (void)
+{
+  /*: BEGIN: child_deletion :*/
+  struct very_simple_struct s = {1, 2};
+  /*:
+    mi_create_varobj S s "create varobj for s"
+    mi_list_varobj_children S {{S.a a 0 int} {S.b b 0 int}}	\
+       "list children of S"
+    mi_delete_varobj S.a "delete S.a"    
+    mi_delete_varobj S.b "delete S.b"
+    mi_delete_varobj S "delete S"
+    :*/
+  return 99;
+  /*: END: child_deletion :*/  
+}
+
 int
 main (int argc, char *argv [])
 {
@@ -313,6 +336,7 @@ main (int argc, char *argv [])
   do_block_tests ();
   do_children_tests ();
   do_special_tests ();
+  do_child_deletion ();
   exit (0);
 }