From d804d49087857633caca2730e5a9dab9a059b9fb Mon Sep 17 00:00:00 2001
From: Diego Novillo <dnovillo@redhat.com>
Date: Sat, 18 Sep 2004 13:53:31 +0000
Subject: [PATCH] * tree-ssa-alias.c (dump_alias_info): Ignore NULL SSA_NAMEs.
From-SVN: r87702
---
gcc/ChangeLog | 4 ++++
gcc/tree-ssa-alias.c | 7 ++++++-
2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a69ec4bb8166..5981fed67f9f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2004-09-18 Diego Novillo <dnovillo@redhat.com>
+
+ * tree-ssa-alias.c (dump_alias_info): Ignore NULL SSA_NAMEs.
+
2004-09-18 Jan Hubicka <jh@suse.cz>
* tree-into-ssa.c (rewrite_ssa_into_ssa): Expect ssa_name to return
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c
index ff1dd7726aad..34d9bb04212a 100644
--- a/gcc/tree-ssa-alias.c
+++ b/gcc/tree-ssa-alias.c
@@ -2223,7 +2223,12 @@ dump_alias_info (FILE *file)
for (i = 1; i < num_ssa_names; i++)
{
tree ptr = ssa_name (i);
- struct ptr_info_def *pi = SSA_NAME_PTR_INFO (ptr);
+ struct ptr_info_def *pi;
+
+ if (ptr == NULL_TREE)
+ continue;
+
+ pi = SSA_NAME_PTR_INFO (ptr);
if (!SSA_NAME_IN_FREE_LIST (ptr)
&& pi
&& pi->name_mem_tag)
--
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