dblaikie added a comment.

> The C++ ABI is not part of the Fuchsia system ABI, nor what we call the 
> "Fuchsia compiler ABI". Different users of C++ are free to use whatever C++ 
> ABI they like. Only the backend ABI independent of language-specific issues 
> is necessary to interoperate with other code on Fuchsia.

Sure enough - but I'm still sort of confused by why the Fuschia Clang 
target/compiler needs more than one C++ ABI. What is it interoperating with? 
(GCC doesn't have a Fuschia target implemented, does it? So what's it mean to 
target the GCC C++ ABI? what is compiling the code that Fuschia is trying to 
interoperate with when Clang targets Fuschia with a non-default C++ ABI?)


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D85802/new/

https://reviews.llvm.org/D85802

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