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-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/tree-ssa-copy.c1
2 files changed, 6 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5dba801..e4cce41 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2005-06-03 Kazu Hirata <kazu@codesourcery.com>
+
+ PR tree-optimization/21849
+ * tree-ssa-copy.c (dump_copy_of): Call sbitmap_zero.
+
2005-06-02 Richard Henderson <rth@redhat.com>
* Makefile.in (tree-vect-generic.o): New.
diff --git a/gcc/tree-ssa-copy.c b/gcc/tree-ssa-copy.c
index 2f10726..10b0989 100644
--- a/gcc/tree-ssa-copy.c
+++ b/gcc/tree-ssa-copy.c
@@ -482,6 +482,7 @@ dump_copy_of (FILE *dump_file, tree var)
return;
visited = sbitmap_alloc (num_ssa_names);
+ sbitmap_zero (visited);
SET_BIT (visited, SSA_NAME_VERSION (var));
fprintf (dump_file, " copy-of chain: ");