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-rw-r--r--gcc-4.9/gcc/tree-predcom.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc-4.9/gcc/tree-predcom.c b/gcc-4.9/gcc/tree-predcom.c
index 730bad46a..20b0e3b0a 100644
--- a/gcc-4.9/gcc/tree-predcom.c
+++ b/gcc-4.9/gcc/tree-predcom.c
@@ -1391,8 +1391,8 @@ ref_at_iteration (data_reference_p dr, int iter, gimple_seq *stmts)
off = size_binop (PLUS_EXPR, off,
size_binop (MULT_EXPR, DR_STEP (dr), ssize_int (iter)));
tree addr = fold_build_pointer_plus (DR_BASE_ADDRESS (dr), off);
- addr = force_gimple_operand_1 (addr, stmts, is_gimple_mem_ref_addr,
- NULL_TREE);
+ addr = force_gimple_operand_1 (unshare_expr (addr), stmts,
+ is_gimple_mem_ref_addr, NULL_TREE);
tree alias_ptr = fold_convert (reference_alias_ptr_type (DR_REF (dr)), coff);
/* While data-ref analysis punts on bit offsets it still handles
bitfield accesses at byte boundaries. Cope with that. Note that