inclyc added a comment.

@aaron.ballman @shafik  (Help wanted). These type traits will not cause clang 
to crash if current patch applied, but the `bool x` in that test case will 
evaluate to `false`.  I think the problem behind the github issue is that we 
don't check the number of arguments for builtin type trait like 
`__is_constructible`

I wanted to ask what is our expected behavior for this, give an error like 
using `std::is_constructible` or just consider `__is_constructible` should 
always have a bool value? Should we report a warning but compile translation 
unit, or report an error and terminate?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D131423/new/

https://reviews.llvm.org/D131423

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