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(parent: 0b56be8) | patch

Fix float4/8 to handle Infinity and Nan consistently, e.g. Infinity is a

Fix float4/8 to handle Infinity and Nan consistently, e.g. Infinity is a
valid result from a computation if one of the input values was infinity.
The previous code assumed an operation that returned infinity was an
overflow.

Handle underflow/overflow consistently, and add checks for aggregate
overflow.

Consistently prevent Inf/Nan from being cast to integer data types.

Fix INT_MIN % -1 to prevent overflow.

Update regression results for new error text.

Per report from Roman Kononov.

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