* tree-ssa-alias.c (dump_alias_info): Ignore NULL SSA_NAMEs.

From-SVN: r87702

* tree-ssa-alias.c (dump_alias_info): Ignore NULL SSA_NAMEs.
From-SVN: r87702
d804d490 · Diego Novillo · Diego Novillo · 8b547e44 · d804d490 · d804d490
Commit d804d490 authored Sep 18, 2004 by Diego Novillo Committed by Diego Novillo Sep 18, 2004
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gcc/ChangeLog
+4 -0

gcc/tree-ssa-alias.c
+6 -1

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+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

--- 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)