* top.c (build_command_line): Demand arguments for if/while

	commands.

1 files changed, 3 insertions, 0 deletions

diff --git a/gdb/top.c b/gdb/top.c
index 20c1865..1d6b0c5 100644
--- a/gdb/top.c
+++ b/gdb/top.c
@@ -649,6 +649,9 @@ build_command_line (type, args)
 {
   struct command_line *cmd;
 
+  if (args == NULL)
+    error ("if/while commands require arguments.\n");
+
   cmd = (struct command_line *)xmalloc (sizeof (struct command_line));
   cmd->next = NULL;
   cmd->control_type = type;