gentoo-overlay/app-shells/bash/files/bash-4.3-compound-array-empty-value.patch

*** ../bash-4.3/arrayfunc.c	2013-08-02 16:19:59.000000000 -0400
--- arrayfunc.c	2014-03-18 11:08:15.000000000 -0400
***************
*** 598,601 ****
--- 598,606 ----
  	{
  	  val = expand_assignment_string_to_string (val, 0);
+ 	  if (val == 0)
+ 	    {
+ 	      val = (char *)xmalloc (1);
+ 	      val[0] = '\0';	/* like do_assignment_internal */
+ 	    }
  	  free_val = 1;
  	}