commit bash-20120606 snapshot

execute_cmd.c

@@ -272,7 +272,9 @@ static int function_line_number;
    report the correct line number.  Kind of a hack. */
 static int showing_function_line;
 
-static int line_number_for_err_trap;
+/* $LINENO ($BASH_LINENO) for use by an ERR trap.  Global so parse_and_execute
+   can save and restore it. */
+int line_number_for_err_trap;
 
 /* A sort of function nesting level counter */
 int funcnest = 0;