AntonBikineev added a comment.

> There is no difference in perf for GCC.

Yes, but that's because gcc still optimizes the call to noinlined function. In 
the common scenario which this check addresses (destructor defaulted in .cpp 
file) gcc is not able to optimize the call.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D69435/new/

https://reviews.llvm.org/D69435



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