Comments
Patch
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@@ -628,10 +628,7 @@ introduced to replace existing names in
between the old and the new names are registered by calling
@code{register_new_name_mapping} (note that if your pass creates new
code by duplicating basic blocks, the call to @code{tree_duplicate_bb}
-will set up the necessary mappings automatically). On the other hand,
-if your pass exposes a new symbol that should be put in SSA form for
-the first time, the new symbol should be registered with
-@code{mark_sym_for_renaming}.
+will set up the necessary mappings automatically).
After the replacement mappings have been registered and new symbols
marked for renaming, a call to @code{update_ssa} makes the registered