* sched-vis.c (print_pattern): Handle NULL patterns.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@193455 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index dd1b4b4..dfea1b6 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,4 +1,8 @@
 2012-11-12  Steven Bosscher  <steven@gcc.gnu.org>
+
+       * sched-vis.c (print_pattern): Handle NULL patterns.
+
+2012-11-12  Steven Bosscher  <steven@gcc.gnu.org>
            Jakub Jelinek  <jakub@redhat.com>
 
        PR rtl-optimization/51447

diff --git a/gcc/sched-vis.c b/gcc/sched-vis.c
index 280b33a..d4f5e95 100644 (file)
--- a/gcc/sched-vis.c
+++ b/gcc/sched-vis.c
@@ -568,6 +568,12 @@ print_pattern (char *buf, const_rtx x, int verbose)
 {
   char t1[BUF_LEN], t2[BUF_LEN], t3[BUF_LEN];
 
+  if (! x)
+    {
+      sprintf (buf, "(nil)");
+      return;
+    }
+
   switch (GET_CODE (x))
     {
     case SET: