Different Memory Allocation Strategies in D - DConf Keynote

[KnightMare]

On Wednesday, 5 June 2019 at 06:34:10 UTC, Walter Bright wrote:
> https://www.reddit.com/r/programming/comments/bwz91d/different_memory_allocation_strategies_in_d/

about RC at 30:40:
I dont understand why thrown exception do expensive RC with 
catch-decrement-rethrow? destructors are called in unwinding 
state where exception is catched once with suitable handler, isnt 
it?