Jacob Bramley 05afebca4d Clean up intrinsic-test literals.
- Ensure that C literals don't rely on undefined overflow behaviour.
- We don't need to use 'as' casts, so remove them.
- We weren't using allow(overflowing_literals), so remove it.
- Format FP bit values as hex.

This simplifies the test input initialisers in the generated files,
making them shorter and easier to debug.
2023-11-01 14:33:48 +01:00
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