Chain PHI nodes via separate a chain field
Jason Merrill
jason@redhat.com
Wed Jun 16 21:25:00 GMT 2004
On Wed, 16 Jun 2004 17:02:49 +0200, "S. Bosscher" <S.Bosscher@student.tudelft.nl> wrote:
> Jason, I hope you don't want a "flag day" patch for TREE_CHAIN too,
> like for TREE_COMPLEXITY?
Not at all. Nor do I want such a thing for TREE_COMPLEXITY, just for
C_EXP_ORIGINAL_CODE, which has very few users. I approved your other
TREE_COMPLEXITY changes; please go ahead and check them in.
> So it seemed like a safer approach to just make PHI_CHAIN use a new
> field, so that bugs show up right away. This is especially nice for
> those working on branches or at home; it's easy to overlook this kind
> of thing.
This could also be conditional on some _CHECKING flag.
Jason
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