saving and restoring input_line_pointer while parsing labels

Author: AndreaCorallo

gas/config/tc-kpu.c

@@ -587,10 +587,14 @@ char *
 mark_label(char *s)
 {
   expressionS e;
+  char * save_input_pointer;
 
   e.X_md = 0;
+
+  save_input_pointer = input_line_pointer;
   input_line_pointer = s;
   expression (&e);
+  input_line_pointer = save_input_pointer;
 
   if (e.X_op == O_absent)
     as_fatal (_("missing operand"));