The multi-dispatcher had an off-by-one that caused it not to enforce contraints if there was no tie-breaking needed. The rest of the patch makes sure we don't put stuff in the MMD cache that we should not (if there's a constraint, we can't use the nominal-type-based cache). Resolves RT#63812.
The multi-dispatcher had an off-by-one that caused it not to enforce contraints if there was no tie-breaking needed. The rest of the patch makes sure we don't put stuff in the MMD cache that we should not (if there's a constraint, we can't use the nominal-type-based cache). Resolves RT#63812.

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