On 05/04/2011 04:12 AM, Eric Botcazou wrote:
Well, let's look at the users of copy_tree_r.
cp/tree.c (bot_manip): The case I want to fix.
Then I'd put the fix there. The old behaviour of copy_tree_r is IMO the most
sensible one and its callers should cope, as almost all already do it seems.
Well, I disagree. STATEMENT_LISTs are just another kind of thing you
encounter in an expression; if a caller wants special handling, they can
arrange for it.
This is how things used to work before, but it broke when the tree-ssa
merge switched from using TREE_CHAIN on statements to a separate
STATEMENT_LIST.
Jason
