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-rw-r--r--gcc/tree-ssa-reassoc.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/tree-ssa-reassoc.c b/gcc/tree-ssa-reassoc.c
index d539398c5c7..d28e1b620ff 100644
--- a/gcc/tree-ssa-reassoc.c
+++ b/gcc/tree-ssa-reassoc.c
@@ -1,5 +1,5 @@
/* Reassociation for trees.
- Copyright (C) 2005, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2005, 2007, 2008, 2009 Free Software Foundation, Inc.
Contributed by Daniel Berlin <dan@dberlin.org>
This file is part of GCC.
@@ -1279,7 +1279,8 @@ remove_visited_stmt_chain (tree var)
if (TREE_CODE (var) != SSA_NAME || !has_zero_uses (var))
return;
stmt = SSA_NAME_DEF_STMT (var);
- if (!gimple_visited_p (stmt))
+ if (!is_gimple_assign (stmt)
+ || !gimple_visited_p (stmt))
return;
var = gimple_assign_rhs1 (stmt);
gsi = gsi_for_stmt (stmt);