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

From-SVN: r250495

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 54d6c54..3ff7b90 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
+
+       * config/avr/avr-log.c (avr_log_vadump) ['T']: Print NULL-TREE.
+
 2017-07-25  Richard Biener  <rguenther@suse.de>
 
        PR middle-end/81505

diff --git a/gcc/config/avr/avr-log.c b/gcc/config/avr/avr-log.c
index 1cd7b02..aacaed0 100644 (file)
--- a/gcc/config/avr/avr-log.c
+++ b/gcc/config/avr/avr-log.c
@@ -146,7 +146,13 @@ avr_log_vadump (FILE *file, const char *caller, va_list ap)
               }
 
             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':