* tree-ssa-pre.c (phi_translate_1): Fix memory leak

From-SVN: r140283

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 53fc1a4bc6e8a484d141a06b9487deb847e065e2..d7a06fbb38e7f4702f8bcba485643e69ab229fca 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2008-09-11  Jan Hubicka  <jh@suse.cz>
+
+       * tree-ssa-pre.c (phi_translate_1): Fix memory leak
+
 2008-09-11  Jan Hubicka  <jh@suse.cz>
 
        * tree-ssa.c (redirect_edge_var_map_clear): Fix formatting.

diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c
index a54999b56ff6af153e3aaa5a706c6ac6e2fcfbd8..053616d32afdf9cbb5330df203e45ffadb4a0339 100644 (file)
--- a/gcc/tree-ssa-pre.c
+++ b/gcc/tree-ssa-pre.c
@@ -1579,7 +1579,10 @@ phi_translate_1 (pre_expr expr, bitmap_set_t set1, bitmap_set_t set2,
              VEC_free (vn_reference_op_s, heap, newoperands);
 
            if (result && is_gimple_min_invariant (result))
-             return get_or_alloc_expr_for_constant (result);
+             {
+               gcc_assert (!newoperands);
+               return get_or_alloc_expr_for_constant (result);
+             }
 
            expr = (pre_expr) pool_alloc (pre_expr_pool);
            expr->kind = REFERENCE;
@@ -1599,11 +1602,13 @@ phi_translate_1 (pre_expr expr, bitmap_set_t set1, bitmap_set_t set2,
                newref = vn_reference_insert_pieces (newvuses,
                                                     newoperands,
                                                     result, new_val_id);
+               newoperands = NULL;
                PRE_EXPR_REFERENCE (expr) = newref;
                get_or_alloc_expression_id (expr);
              }
            add_to_value (new_val_id, expr);
          }
+       VEC_free (vn_reference_op_s, heap, newoperands);
        phi_trans_add (oldexpr, expr, pred);
        return expr;
       }