Refactor SendBufferPosition, fail on query with rank outside of range #1421
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During code review with @suku248 we realized one could query the
SendBufferPosition
with ranks that are outside of the range for which a specific thread is responsible, returning nonsense values due to modulo arithmetic. This PR addresses that issue by adding two specific asserts.Depends on #1416, should be merged after.
@hakonsbm @heplesser @jougs @stinebuu @jarsi