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2 Commits

Author SHA1 Message Date
Nikita Popov
53df29bc29 Drop pi nodes for both old/new pred in replace_predecessor
We also need to drop pi nodes for new_pred here, as the pi node
restriction for new_pred is not necessarily true for control
coming from old_pred as well.

Fixes oss-fuzz #40782.
2021-11-08 14:56:42 +01:00
Nikita Popov
038bc27787 Handle pi nodes in replace_predecessor
If we're removing a predecessor because it already exists during
replacement, we should also drop pi nodes for that predecessor.

Fixes oss-fuzz #39276.
2021-09-27 10:47:47 +02:00