[patch,avr,committed] avr-log.c: Print NULL_TREE as ""

[Georg-Johann Lay]

https://gcc.gnu.org/r250495

Committed $subject as obvious.

Johann

gcc/
        * config/avr/avr-log.c (avr_log_vadump) ['T']: Print NULL-TREE.

Index: config/avr/avr-log.c
===================================================================
--- config/avr/avr-log.c        (revision 250494)
+++ config/avr/avr-log.c        (revision 250495)
@@ -146,7 +146,13 @@ avr_log_vadump (FILE *file, const char *
               }

             case 'T':
-              print_node_brief (file, "", va_arg (ap, tree), 3);
+              {
+                tree t = va_arg (ap, tree);
+                if (NULL_TREE == t)
+                  fprintf (file, "<NULL-TREE>");
+                else
+                  print_node_brief (file, "", t, 3);
+              }
               break;

             case 'd':