[opt] Fix CanonicalizePass clamping: create Literal from known bits if dne#4575
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…f dne If the clamped value was not a Literal but was known, MaybeCanonicalizeClamp previously assumed it was a Literal and crashed. Now we construct a Literal from the Bits returned by the query engine. PiperOrigin-RevId: 949696244
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[opt] Fix CanonicalizePass clamping: create Literal from known bits if dne
If the clamped value was not a Literal but was known, MaybeCanonicalizeClamp previously assumed it was a Literal and crashed. Now we construct a Literal from the Bits returned by the query engine.