tree c3a98780db675c23dd6500ab1d257b4783697b85
parent 7192e8c19591650c31671eca3eca10b98533f7e1
author Ben Vanik <ben.vanik@gmail.com> 1713891875 -0700
committer GitHub <noreply@github.com> 1713891875 -0700
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Prevent stream.async.update folding unless confirmed safe. (#17135)

This makes the folder more conservative by only allowing updates of
entire target tensors to fold when we know the target has value
semantics (it's not tied to any other value). This does potentially lead
to more copies that could otherwise be elided but is safer and still
simple enough to be in a folder vs. what a pass would do with full
analysis.

Progress on #17087.