[Bug middle-end/45230] gcc.c-torture/execute/strncmp-1.c ICEs with -fgraphite-identity

[spop at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45230

--- Comment #19 from Sebastian Pop <spop at gcc dot gnu.org> 2010-12-07 
19:45:19 UTC ---
With this patch:

diff --git a/gcc/sese.c b/gcc/sese.c
index 65f8556..140b16f 100644
--- a/gcc/sese.c
+++ b/gcc/sese.c
@@ -547,8 +547,8 @@ rename_uses (gimple copy, htab_t rename_map,
gimple_stmt_iterator *gsi_tgt,
       gsi_insert_seq_before (gsi_tgt, stmts, GSI_SAME_STMT);
       replace_exp (use_p, new_expr);

-
-      if (TREE_CODE (new_expr) == INTEGER_CST)
+      if (TREE_CODE (new_expr) == INTEGER_CST
+         && gimple_code (copy) == GIMPLE_ASSIGN)
        {
          tree rhs = gimple_assign_rhs1 (copy);

I now see the same error as in comment #12